I don't understand the argument that there must be something wrong with Cousins because the Kings always suck.
It's the Kings we're talking about. The Kings.
There is no world in which Cousins plus Gay plus spare parts = success. Cousins has never had a decent amount of talent around him. The Kings are a terrible organization, with terrible drafting (other than Cousins), and no one wants to play in Sacramento, California.
I do think Cousins has a bit of an attitude problem, but I don't think it's an insurmountable hurdle. If I was the only really good player on a sucky team year after year, I'd be pretty miserable about it, too.