But if they are staying in the air full screen, they aren't really a threat to him either, right?
It is the nature of BB. At no point in the MU does BB or his opponent feel that they have the advantage. It is guess work for both.
His air-to-air doesn't seem that weak to me (though by no means the strongest). His multi-hit cymbal move (lk I think?) is pretty damn fast. While he might have some issue engaging air-to-air, I think with preparation he does just fine (shit... PW gets beat by everything air-to-air up close and has no meaningful air-to-air poke).
Essentially what I'm hearing is we want to leave his strengths intact and remove any meaningful weakness? We want to give him pressure fullscreen, midscreen, and close?
Like I said above, if we want to iron him out, his buffs should almost certainly come at the cost of a few nerfs.