Earlier quoted context omitted.
Considering women make up >50% of college graduates, for every profession that has more men there are more profession that have more women (or a greater imbalance). How about: People are capable of choosing professions they like. Respect their choices and don't second guess them.
That doesn't account for the cultural pressure on girls throughout childhood to be princesses, like pink things and cooking and babies and ponies, while boys are supposed to like computers and engineering and guns. We're still preparing girls to stay home, cook dinner and have babies while the men go out and earn the money.
http://journals.plos.org/plosone/article?id=10.1371/journal....