What kind of places do you hang out in? I have never had a knife pulled on me, I haven't been in a fight since 6th grade. Anybody that hits me is gonna lose their trailer and will be forking over a significant part of their paycheck to me. Physical violence is a loser. I'll take your money using the law.... and if you have no money, you can sit in jail for awhile.
I was under the impression he was couching his post on being proficient at self-defense. In that context if someone else started it and he finished it he's not getting sued and the other person could be subject to arrest.