I mean obviously it would depend on the topic of the disagreement. Socialized healthcare? Sure. Jews ruin everything? Not so much. I’d be perfectly fine not being friends with people who said the stuff he said in a non-satirical manner, though in this case I think Kanye has clear mental illness and I’d want him to get help.If someone is friends with someone you don't agree with, you can hate them both? Sure. Seems like a sane way to go about life.
Think you'll find you end up disliking most athletes and celebrities in this 7 degrees to Kevin Bacon.