It's got to be both.
Nobody in their sane mind would say some of the stuff that Kanye said/tweeted, but as well there's very few people who have the ability to profit off making insane statements to the extent that people like Kanye or Trump can. It's almost like a perpetual vicious cycle of profitable victimhood.
I was never a big fan of the guy's work but he was an incredible producer back in the late 90s early 2000s. I think him experiencing the death of his mother was the start of a very serious downward cycle (mentally, at least) that he's yet to recover from.