Why do they all have the same procedure?

I knew a woman years ago who was probably the prettiest woman I've ever seen in person. The only things about her that could even be mildly considered "flaws" were a slight bump on the bridge of her nose (which I thought only enhanced her beauty) and b-cup breasts (and I actually prefer smaller breasts, like millions of men do). However these two "flaws" drove her insane and she got plastic surgery and breast implants after saving up tens of thousands of dollars to pay for it (she was not rich by any means).

The first time I saw her after she healed up, I literally started in horror. She not only had the nose bump scraped, she got her nose entirely reformed into a little button, comically large cheek and chin implants, and the bee-sting lips which were already collapsing and asymmetrical. The D-cup implants were just absurd and probably looked similarly horrific naked. Apparently she had also gotten liposuction for no reason. And for the icing on the cake she had gotten eyeshadow tattoos, a hideous dark purple.

She went from being a beautiful, fit 33-year-old to pretty much a monster. I can't even imagine what she looks like now 15 years later. But according to our mutual friends she thought all the surgeries were a fantastic success and she was incredibly happy.

You know how the saying goes "Horrible stupid people flock together and support even the worst human traits just to get a taste of being a horrible waste of life"

there's BDD at play here

I mean this https://en.wikipedia.org/wiki/Body_dysmorphic_disorder