Understood. But it's the mentality, not the skills. He was banned for a time not because of what he's capabale of doing--which, as we agree, most anyone COULD do--but because of what he actually DID.
He's welcome to come back without any fear of Kralik or I...as long as he acts decently to others and doesn't try a stunt like that again. If he abides by the same rules of common decency everyone else does, he has nothing to worry about at all. It's very simple, really.