Whether or not they're as good with a decent replacement, it's going to be super difficult to find one when they're already over the cap.
The thought of him leaving is so weird to me. Golden State offers the most money, the best place to live, the best team, a selfless superstar to play with and what will be the newest most state of the art arena in the league.
But somehow, he didn't anticipate the shit he got for joining. Somehow, he doesn't know why he still gets shit. He's a weird dude, so who knows what he's thinking.