On the other hand, I think people listen to his views on politics largely because he's well-known as a chess player. In a sense, people do the opposite of an ad

On the other hand, I think people listen to his views on politics largely because he's well-known as a chess player. In a sense, people do the opposite of an ad hominem attack, by putting more stock in his arguments because of how respected he is in chess. We have to remember that he's as fallible as anyone else.