Zero, you have lost all speaking privileges. What he did may not have been right at the time, but the fact that he has learned from his mistakes and is trying to help prevent people from making those mistakes is something that should not be overlooked. We all do things in a way like this, we may have not killed someone, it could be as simple as hurting someones feelings and apologizing to them. IMO, he is / was in a way, apologizing to society by trying to help.