To be honest. I've seen way, way worse. He is very, very, VEERY arrogant - if you don't put space before and after an operation sign, you are an idiot. But the man earned it, somewhat.

I've seen people that are that arrogant and have delusions of grandeur. They are the poison, really.

To be fair when TGP was first published most of the books on the market were garbage.