alt Hacker News44% of uploads are probably not created by 44% of "artists". The core of people who are looking to exploit the system are going to be good at gaming the recommendation algorithm — they're specialists in it solely for the money who don't need to trouble themselves with artistic concerns.
I'm not saying it's impossible, but at a minimum it's extremely hard to game the recommendation algorithm (primarily talking about Spotify, maybe Deezer's is less sophisticated). The best way to "game" the recommendation algorithm, to kickstart a new/less-established artist profile, is to get onto popular playlists. However these playlists either have actual quality barriers (so they won't put AI slop music on) or they take $$ (so this doesn't really work with the "mass generated AI slop" approach).