My favorite quote from the Good Parts: "if you want to find out more about the bad parts and how to use them badly, simply consult any other JavaScript book"
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.