While what he's saying isn't universally true, there is definitely a double-standard on sexist remarks. But there's also a double standard on racial remarks and yes, even on political remarks.
Can they tell if the skull is from the jewish race? Differentiate asian races? Obama? The Rock? One drop? DEFINE race.
Just because some people interbreed for a few thousand years doesn't make them a different race. (Obviously this is debatable, esp. at the academic level. I choose the one race side; both are arguable, but one is foward-looking and united, and the other archaic and disparate.)