I don’t expect people who leave such comments would suddenly be supportive after finding out she’s trans. For what it’s worth, I missed the trans part at first and just thought it was neat.
That’s if you add two of the same odd number. The more general proof is basically the same though: let n and m be integers, then 2n+1 and 2m+1 are odd. (2n+1) + (2m+1) = 2n + 2m + 2 = 2(n+m+1) which will be even.
I hear historians hate him, for example because of the Americapox video. It’s heavily based on the book Guns, Germs and Steel without mentioning that it’s a theory many historians disagree with. /r/BadHistory has a wiki page dedicated to it.
While looking for this I also found economists unhappy with Humans Need Not Apply. In general I guess he has a tendency to confidently talk about things he’s not an expert on.