Gender IS demonstrably a social construct. In most indigenous cultures there are somewhere between 3 and 7 genders. In ancient Egypt (pre 4th c BCE), the women went into the marketplace and conducted business, including legal business and the men stayed home and did the weaving. And as I noted to you in my other comment, our ancient ancestors all hunted, all gathered, all knew how to light fires and skin animals, etc., etc., etc. Getting to the place where "men do this and women are like that" is incredibly new in human history and entirely artificial and we know that because it's malleable between cultures and at different periods of time. "Manly men" used to cry A LOT at certain times in history, there's a huge body of information about women warriors throughout time - both fighting alongside men and in all female units. How do you account for this? How do you account for women wanting to be astronauts and economists and coal miners if there are "natural" differences?

And if gender is not a social construct, why does it require so much bullying and policing of anyone who doesn't conform. If it were natural, it'd just be natural, right?