Is he though? Just as an example - he volunteers as the head wrestling coach for his local school and doesn't even accept the salary. Already in the few months he's worked there has built relationships to the point where the team and their parents greets him at the airport with genuine affection.
This is a universal trend with the people who know him, throughout all these behind-the-scenes series. Filled with well wishers. He obviously has his flaws, can be thin-skinned, competitive and a bully at his worst, but a man who has so many great relationships just isn't a "fake" guy. It was clear that even the commentary team were happy he won 226, as he has built good relationships with his co-workers universally as well. Someone with that much goodwill directed towards him by those who know him is doing something right.