Yuck, I'm not going to be able to enjoy his music now.
You were previously unaware of his political leanings?
Sure, unlike conservatives, I don't care if musicians mouth off, since it's harmless, but actually running to make my laws makes him threatening and unpleasant enough to spoil the music.
Seems like pretty big generalization there, considering the fact that our "all liberal all the time" friend from Minnesota probably cares more about a musician political views than anybody else in the world.