> Examples: we still can’t manage playlists of albums, or down signal genres of music or even artists, or separate “calm” music for sleep from all the other generative playlist rankings they use.

Youtube music thinks "videogame music" is a genre and lumps them all together, if you make the mistake of including even one song from a game OST any recommendations go out the window.

For example, a "chill" mix with videogame music in it will happily start including Doom Eternal tracks because "they're the same thing, right?"