The reason people care is that: 1) there are still substantial differences in outcomes between men and women (i.e. 85-95%+ of Fortune 500 CEOs, Congressmen, and Forbes 400 members are men); and 2) people have a habit of extrapolating from "girls like dolls in infancy" to "girls are less suited for certain jobs."
This isn't about self-righteousness, but about bettering ourselves as a society. Within my dad's lifetime, Sandra Day O'Connor graduated third in her class at Stanford, but couldn't get a job at a firm other than as a secretary. Today, such discrimination would be unthinkable. In that short time we've come so far along the path to justice. But we're not there yet, and whenever people point out that we're not there yet by noting the facts in (1), peoples' knee-jerk reaction is: well maybe women don't want to do those things? Understanding what separates the genders at a biological level is crucial in evaluating this argument.
This isn't about self-righteousness, but about bettering ourselves as a society. Within my dad's lifetime, Sandra Day O'Connor graduated third in her class at Stanford, but couldn't get a job at a firm other than as a secretary. Today, such discrimination would be unthinkable. In that short time we've come so far along the path to justice. But we're not there yet, and whenever people point out that we're not there yet by noting the facts in (1), peoples' knee-jerk reaction is: well maybe women don't want to do those things? Understanding what separates the genders at a biological level is crucial in evaluating this argument.