Here’s one of my 9 year old son’s games from yesterday evening against a strong adult player. One of our jokes is that knights like forking because of their unique move. But then Sam just couldn’t resist the temptation to give the knight his fork on d7.
Falsifying our ideas is not an easy job, most grown ups have a problem with it. And they attempt to build evidence to support their position rather than tearing it down, a tendency which can become even more pronounced when the ego gets involved. But these processes are nonetheless separate, and despite the fact that most Grandmasters are quite well endowed in the ego department they are usually very good falsifiers.