Cavs should have just waived Bynum and tanked for the draft. At some point, they have to do a major overhaul and realized that they can't just patch up all the holes on that roster.
The locker room does not have a respected veteran presence, Waiters and Irving are both rumoured to be less than ideal teammates, Bennett just sucks (so far), Varejao is constantly injured, and now they've added Deng who is likely going to demand a larger contract than he's worth.
Mike Brown can be an excellent assistant coach but doesn't seem to have the presence to command respect.
Simply trade all their players for picks and some veteran leadership. Irving is massively overrated, his game is very entertaining to watch, sort of like Kenny Anderson, Jason Williams or Damon Stoudamire back in the day (but more so), but I am not sure if it's the type of game that would help them win games because a) he is very inefficient, b) he plays like a blackhole, especially for a point guard, c) he plays no defense.