Earlier quoted context omitted.
One might even think that his own documented and admitted history of cheating is what has damaged him. Who wants to play against a cheater? Has he suddenly come down with a case of honor? How can he prove that? He has already destroyed his own reputation. Why should anyone want to play him? He is whining because he is reaping what he has sown himself.
I believe his past and admitted history of cheating did damage him, but that does not mean these recent allegations of cheating have not additionally damaged him. The allegations also weren't "Why - this man has admitted to cheated in the past - therefore we shouldn't trust him in the future". In the case of chess.com, they made specific and explicit allegations of cheating across a number of RECENT games. Magnus acc…
It is actually very rare for anyone to win a slander/libel case, shady journalist or otherwise. The salient issue here isn't his, "shady past", it's the specific behavior he was engaged in. Specifically, he has a documented history as a cheater. If you alleged that he was having sex with farm animals, which is unrelated to his history of cheating, he would have a much easier time proving tangible harm. He is going to have to prove that the recent damage to his reputation was both unfounded and resulted directly from the new allegations of his cheating, and not simply the fact that Carlson and Chess.com publicized his past, documented history of cheating. In short, if you refuse to race against Lance Armstrong because you say he is blood-doping, he's going to have a very difficult time suing for for slander, even if he is not currently engaged in that behavior.