"After begging my parents for a long time to let me please study martial arts they finally bent and let me. I was training for about four weeks (this was Tae Kwon Do, by the way) and then got into a street fight with somebody who always was bothering me."
I was right. You didn't understand what you read. You took something out of context and bent it to fit your(wrong) viewpoint. He got in a street fight after taking TKD for 4 weeks. He didn't quit after 4 weeks. He has a black belt in TKD. He has a 3rd degree in Kyokushin(superior to TKD IMO) Karate. According to Wiki, he credits his punching power to Kyokushin so I'm sure he's proud of it. He had no reason to promote it for monetary gain, like he is doing with Krav Maga(or whatever shit it's called) now.