once the adrenaline rushes, it's hard to control yourself in competition, let alone in a situation like you demonstrated. That could help the case go his way, but the rule of thumb is that you are supposed to inflict a degree of damage inflicted or attempted to be inflicted upon yourself. If a guy slaps you, for instance, you're not supposed to break his arm or slit his throat (
one of the browns at my new academy made mention of this as well, so that we stay aware of the judicial impact of our training and aggression). Guidelines like this are in place for a reason, but like you said, they could have had weapons or god knows what.
He was really fighting for his life but people don't see that, because they were female. If they were two muscle-bound gymrats, and he kept beating them down, no one would care.

All that they would see are the physical characteristics of 'big dangerous black men.'