Wouldn't shock me if he returns, but I think it'd be a bad move for his career. If he's content to go the route of Chris Bosh and be a jumpshooting role player with the occasional big moment en route to a handful of Finals berths, then that's great.
I thought Kevin Love was interested in finding a situation where he could enjoy success while also playing a featured role, closer to what he was doing in Minnesota, but with actually decent players around. He won't find that in Cleveland.