I hope he doesn't get freaked out by the monster he's become and back off.
That's what happens sometimes. I hope he doesn't blame himself for it too much and I hope the coaching staff explains to him that it was something that is NOT likely to happen ever again.
I don't want to see anybody hurt but I don't want to see a pansy Bynum out there either. Those guys know the risks before they lace 'em up. If that's what it takes to stop penetration, G-Wall's sacrifice and Bynum's fine will have been well earned/spent.