Why do people hate coldplay?

Mostly because they used to rule the world, but everything they touched wasn't gold, it was all yellow
- Did I just get Cold-rolled?
  
  Better yet, you got Cold-played

Hate is probably a strong word, but I don't really care for their music. There's nothing technically wrong with it, they're competent musicians, but it all feels boring and generic to me. It's bland and inoffensive, like it was written to play over a grocery store PA at a barely liminal volume for a middle-aged housewife to absent-mindedly hum along with as she compares laundry soap.
- There's nothing more boring and generic than Maroon5. At leastI can remember some songs by Colplay. Maroon5 is just all a generic mash

I think it is mostly the massive success. Some people have a belief that anything that is very popular is by definition bad.
https://headstuff.org/topical/love-hate-popular/
- anything that is very popular is by definition bad
  More like, it's the lowest common denominator type stuff. In other words, average at best.
- I think you're sort of right. It's not simply because they're popular, it's because the popularity means they get inescapable radio play. Over time you resent it more and more.
  
  I don't know if he went worldwide or if he's just a British thing, but Lewis Capaldi is the worst offender for this in my mind. There was about 3 months where Somebody You Loved wasn't being played by at least 2 stations at a time. 2 or 3 times an hour, every hour, every station, every day.
  It was a great song the first 5 times. The next 5000 not so much.
- Generally it is a reaction to having the popular stuff forced into their spaces. Pop music like Coldplay makes its way into movies, shows, and store music so it is always there to cause annoyance.
  Like I hate Jared fucking Leto because he keeps getting into movies I would otherwise want to enjoy. If he was only in movies I don't want to watch then I wouldn't think of him at all, like the other actors and actresses that don't ever think about.
- I’m old. Imagine if old bands got that stigma. Omg did emo culture do it?
  
  Old enough to remember the massive backlash against disco? Same thing, different era.
  
  There were definitely backlashes to big popular artists of prior decades, like Elvis and the Beatles. Partly it was couched in that "They're corrupting the youth" conservatism, but also anything that's popular with tween and teen girls tends to catch a lot of flack regardless of whether or not it's deserved. Think Twilight or One Direction. I don't care for either, but they both became out-sized hate figures for weird adult men. There was no shortage of enraged nerd hot takes when that sparkly vampire guy was cast as Batman.
  I think Coldplay is kind of on the same page. Which is obviously faint praise, but they have a sort of inoffensively palatable sound which is both the reason they're so successful and the thing people dislike about them. But it's probably not worth getting angry about.
  
  I'm old, and we definitely did this in the 1900s.

They are so completely soft and bland. They are the unflavored yogurt of music.
- And they were really popular so it was like eating unflavored yogurt all the time.
  Some people like that, which is why they were popular. The rest of us suffered.

Hate is too strong a word I think - I nothing them - but they produce the sort of soulless indie/pop ballad that you know will end up in the soundtrack of Hollywood paint-by-numbers romcom that would've gone straight to DVD a decade or so ago. The unending radio play rotation would force the song (and we could be talking about any and all Coldplay songs here) into your brain and then five years later you'd find yourself humming it as you suddenly realised a longe bar version of it is playing in the lift (elevator USians) you're in.
- You just answered the question perfectly

I like their older stuff. „Clocks“, „Trouble“, „yellow“ or „The scientist“ are fucking awesome.
After that I listened to them less and less.

I don't "hate" Coldplay, I nothing them. I don't care for their sound at all, but am routinely forced to listen to it in stores. I resent being forced to listen to music, but don't hate the bands themselves.
The stores who play ten songs on a loop can go fuck themselves, however.

They are popular.
That's it. Hipsters gotta hipster.
- Yep. The old "I'm so cool I only listen to people so unknown that even they don't know who they are" crew

Because they once said they were taking a hiatus from music until they wrote the best album ever written. Then, had the audacity to release an album.
- Was it the best album ever?
  
  No, Songs In The Key Of Life was Stevie Wonder, not Coldplay.

They're boring, he's a bit of a twat, they've been accessed of stealing songs, radio/tv/movies won't stop playing them.
this is just why I hate Coldplay tho, feel free to share your own reasons why you hate Coldplay.
- Thanks. I don’t hate Coldplay though. I don’t follow people enough to know if they’re a twat. It’s just music for me.

From my perspective, their music is mediocre.
- That's why I love them.

Because they incite married coworkers to cheat with one another.

They're popular because they're broadly appealing and inoffensive, so for people who are passionate about music they're likely comparatively boring, whereas people who don't really care about music aren't going to go out of their way to support or defend them.

They are the epitome of the adage that their earlier stuff was better. For me, they jumped the shark when Roman Catholic bells were ringing.

I had no idea people hated Coldplay.

I don't hate them, but we have a joke, "is that... Coldplay?" when we hear an unfamiliar song, because their music is sort of unremarkable.
I don't think they are alone in that, it's just funny they got so famous with it. I've heard them in interviews and they sound like delightful people. Funny and self-aware.

Because they're not Nickelback?
Hehe

I don't, but if it is being served in a playlist or anything, I'll skip it. They are so bland, it's almost like easy listening.

Because after clocks/scientist they just sold out to mainstream garbage styled to the masses and the money and not the music.

I really hadn't thought about Coldplay in years until I showed up to work at one of their concerts a couple years ago. I honestly couldn't name a single one of their songs except Viva La Vida, which - spoiler - is not one of their songs.
But all the people on tour with them were really friendly and competent and gave clear instructions, unlike the usual raging assholes who go on tour to do staging work. We got the job done quickly, safely, and with minimal angry screaming.
So now I like Coldplay. I still don't listen to their music, but, like, I just decided I like them.
- Wikipedia says it's written by all four members of the band. And I agree, they're super mainstream and unremarkable but Viva la Vida is perfect. The lyrics are epic, poetic, wise, sad and true. The instrumental is flawless, simple yet classy with these strings and the choir. The atmosphere is unlike any other song I've ever head and it's breathtaking even after listening for the 100th time. A true masterpiece.

coldplay broke up my family after my dad was caught cheating with one of his subordinates.

Music for cheaters.
- All music has to be is something nice to listen to.

The great thing about Coldplay is they've changed over the years, which of course pisses some off who liked one style and now expect it every time. I don't like some of their songs, but the songs I do like I enjoy. The era of Clocks and Speed of Sound and Scientist were solid. There have been a few later ones I like too, but the songs either click for you or not. That's how music should be, eclectic and not formula.
I think the last song of theirs that hit me hard was All I Can Think About is You. May not be everyone's type of song, but it felt like the Coldplay I like. And there's the sleeper The Hardest Part.

What is coldplay?
- Wait, it's a band. I thought it was some kind of streaming app. Meh.
  
  I actually thought it was some nuanced kind of stream. Like streaming the old recorded gameplay. Or something like that.
  
  Do you use many streaming apps? Old person asking
- It’s a band that has been in the news lately because at one of their concerts there was some dude having an affair that got caught real be on the Jumbotron. But otherwise they saltarted in the late 90s or slightly later and just seem like good dudes to me.
  If your serious start with yellow search on YouTube.
  
  No, start with Clocks. That's best.

Who ?

I have no opinion whatsoever about Coldplay.

I thought that was a joke inspired by the movie The 40 Year Old Virgin:
https://youtu.be/h6iFAF55ojA

I don't feel strongly about Coldplay, but I think their style is "whatever Radiohead was doing two years ago, but watered down for the masses".
Nothing wrong with that, but it does evoke a hipster vs. normie conflict.

Many of my friends really love Coldplay, so I've heard several of their albums played at parties. Many times. But I cannot remember a single song from Coldplay and most likely wouldn't recognize them if one was playing on the radio.
And I have a decent ear for music, I can play a few instruments and can even find the right chords for a song after hearing it once or twice. But not Coldplay. There is nothing wrong with their music, but it doesn't make me feel anything. It's just so generic to my taste, I guess.