Yet somehow it is true that the vast majority of smug people who are confidently wrong are white males. Maybe someday we can have equality in the ratio of being smug while confidently wrong.
You know how it goes, not all white males… but almost always it is a white male.
This guy probably wouldn't have even considered insulting a speaker that way if she wasn't a woman. In a scientific setting it's one thing disagreeing with an argument, and attacking the person proposing the argument.