Honestly? His mannerisms was all we really needed. He was not well liked in his year, and that takes some doing to achieve these days. The smug "how could I be wrong" when he was, well, 26 orders of magnitude wrong, is special even by entitled scientist standards.
I can't tell if you're being sarcastic or not, but I strongly believe, based on my experiences with really successful people, that being open to being wrong absolutely does count for a lot more than the current truth value of your ideas.