They have already announced they intend to let artists buy their way into playlists in the future https://pitchfork.com/thepitch/could-spotifys-new-discovery-...
I've paid for spotify for more than a decade and I definitely wasn't pleased to have every single playlist recommending an artist I don't like, and it was just ridiculous how EVERY[1] playlist had his photo regardless of the genre.
[0] https://exclaim.ca/music/article/drakes_face_was_all_over_sp...
[1] https://twitter.com/DanieleRose22/status/1013845491757568000
With New releases it is different. If I ever play, say, a song someone else sent me to listen to in a different genre, then it screws up my recommendations here for months, sometimes forever.