> the market price for all items is the same, and all vendors are price-takers (the platform controls the price) Not to detract from your point, but that's not

> the market price for all items is the same, and all vendors are price-takers (the platform controls the price) Not to detract from your point, but that's not really true: https://support.spotify.com/us/artists/article/royalties/ https://support.spotify.com/us/artists/article/royalties/ > Contrary to what you might have heard, Spotify does not pay artist royalties according to a per-play or per-stream rate; the royalty payments that artists receive might vary according to differences in how their music is streamed or the agreements they have with labels or distributors.