What constituted a good deal when it was made and what constituted a good deal after the Celtis alienated a guy with his heart on his sleeve and a chip on his shoulder (two guys, actually) are two very, very different things. You realize that, right?
Altman got schooled. "We want Tatum." "You'll get a guy from Oregon State who'll never play a day in the NBA." "Deal."
It's not really his fault--reports are that Gilbert was driving the bus--but he ain't winning any Executive of the Year awards for this. It's a good deal for the Cavs but he looks like a clown. You trade for a guy you know is injured, you leak and allow to be implied all kinds of explosive stuff even though the player passes the physical, and then after all that you take a meaningless future pick? Not a good look.