Silva doesn't need to make anything up to anyone. He easily destroyed the #1 contender, whether he showboated or not, this isn't just sport, it's entertainment and he certainly entertained me. There are always going to be haters.
Maybe he did cross the line a little bit, but he was clearly tired, he did what he had to do to win and to be honest he shown the world how much of a specimen he really is.
However, I do like ZaoSyn's idea of a poll, to let the fans decide who he fights. I'm just not sure the polled fighters would be happy about it. In a way, that's kind of a punishment to them.