If they're ostensibly trying to deal him, shouldn't they be trying harder not to reveal that he HATES BASKETBALL? Or are all these stories out because they need to justify the decision to their fans? What a ridiculous franchise.
Everybody around the league knew he was a quitter but the Cavs just couldn't resist. Any respectable organization wouldn't have hired him in the first place, or at the very just sent him home much earlier. Instead they just let this 7-foot distraction infect 1/3 of their season.
I don't think they expect to trade him to anyone who wants to keep him for actual on-court contributions, at least in the long-term.
The beauty of Cleveland's gamble here is that they managed to sign him to a deal that is only $6 mil guaranteed here if he's waived before Jan 7th (and according to Faf, who knows these things, that's almost completely paid out already). They also have the ability to waive him in the offseason for no penalty.
So if a team had some contracts that were less than cap friendly, they could move those contracts to Cleveland (with a 1st round pick for the privilege), and then immediately waive Bynum effectively washing those contracts from their books.
So if a team like Boston wanted to make an impact next year in the FA market, they could move two guaranteed contracts (like say Wallace and Lee, although that's likely a pipe dream) for Bynum, and after waiving Bogans, they'd be roughly 12 million or so under the salary cap after holds and 1st round picks.
EDIT: I think my cap numbers are a bit off, because they factor in Bradley taking his QO and nothing more, and probably undervalues the holds for the draft picks, but you get the point.