That's because he's an elite chess player. Him cheating once per game could make the difference between being number 1 or number 10 but either way he's up there.

But for you or me, cheating once per game wouldn't make a difference. We'd still be ranked as nobody plebs. To get ranked high enough for people to know our names we would have to cheat dozens of times a game, and experienced players would easily peg us as cheaters.

Try cheating on chess.com, if you cheat enough to make a meaningful difference their servers will automatically nail you with statistics.