My guess is they pay per play. So to minimize plays, they try to play songs you won't skip, which, naturally are songs you didn't skip the last time they poppe

My guess is they pay per play. So to minimize plays, they try to play songs you won't skip, which, naturally are songs you didn't skip the last time they popped up on shuffle. I'm sure their stats tell them that this gets people to skip less, but it's infuriating when you actually want to shuffle a big list.