This seems like it could be a case where the feminine version of what is being considered has a tendency to be dismissed.
I have no issue with considering that this may be more prevalent in one sex or the other, but there's also a lot of room for people to overlook what does occur. Cooking is a good example of something that is highly technical and often requires a great investment of personal time, yet appears to have much better gender equality. Perhaps this is due to traditional cultural reasons, or perhaps it really is distinct from e.g. programming.
B. The leap you and McArdle make from nerding out on weekends to career excellence is nowhere evident in practice.
C. That's a pretty offensive generalization you're making, and you'd have been better off without your last sentence.
Sure it does. I know if I was popular in school I wouldn't have spent so many Friday nights locked away programming and subsequently honing my craft.