I can see your point. At least by current namby-pamby laws.
In the old more sane days, this would still be acceptable, though.
Vengeance is a little strong. Anger, sure, after all he was just pushed down onto pavement. And he waited there. Did not just run to hide.
But I have to ask everyone: WHAT HANDICAPS DID ANY OF THESE PEOPLE HAVE?
Why exactly were they fighting? Was white guy simply do-gooder incensed that black girl took a space wrongly? Or was he handicapped and privileged for that space? Absolutely no word on this.
The guy's posture wasn't all that normal looking...I'd bet he got robbed of the handicap space...