It is true that it remains very unclear how it is possible to cheat in Sinquefield. But that is a separate question.
To flatter by analogy, when a conjurer produces a dove from an egg placed in a hat, it is possible to be sure the egg did not hatch without having a clue how he did it.
His performance in St Louis was not miraculous. Not overall and not in any specific game.
In contrast, Hans looks mature. He stayed to finish all games. I can’t imagine how he can bear to play under this horrific condition. But he did 👍
Looks mature? If you are 13 years old, sure, he looks mature, I suppose.