> At least: in the aggregate, there are easily observable differences between men and women, and that computer science and engineering schools produce way more male graduates than female.

And yet, that has changed over time, implying that there's definitely a big non-biological component to the ratio.

> If 80% of candidates were left handed

Right, because a biological characteristic that literally doesn't have any effect in professional careers is exactly comparable to a biological characteristic you say does make a difference. Talk about comparing apples with "things I say are an orange, but let's pretend I'm saying are an apple for me to draw this completely irrelevant analogy."

> it's no skin off my nose.

Of course it is not, and that's why you can be so blasé about the whole thing.