There’s a lot on my plate already. I wish that if musicians didn’t want me to buy things for a certain price or at a certain place, that they just wouldn’t offer it to me in that way.
This is the Amazon / Valve / [Insert dominant company] problem. It's not musicians' fault. A ton of small companies hate Amazon but if they don't have a presence on Amazon, 90% easily are missing out on too much marketshare to survive. Same with Valve - if you are PC game and you choose not to publish on Steam, you are cutting yourself off from a massive revenue stream as Valve controls ~75% - which is absolutely staggering - of the market.
So this goes for Spotify now as well. If you aren't on spotify, your ability to gain an audience plummets. You hobble yourself like crazy.
Yes Bandcamp and Beatport are viable. CD's which you can rip are also readily available still. Ditching Spotify means ditching some convenience, that's the cost ultimately (outside of the dollars and cents). You either care enough to do it or you don't. It's your call and no judgment here. But those are the answers ultimately.
I recently swapped to Proton Mail/Drive/Calendar from Gmail et al. I pay some extra money annually and sacrificed a few QoL things because decoupling from google was more important to me. I don't expect everyone to follow suit and again no judgment, but I had to accept I wasn't going to get those google QoL elements to the same degree when I made the swap. That's just how it is.