Jokes aside, the binders of women comment was basically the core of all of the mostly mythical affirmative action in this country. It's about recognizing that if you're a product of a good old white boy network, it's a good idea to make the effort to read those binders, to make the extra effort to look at qualified women and minorities.
This isn't a comment on what actually happened when Mitt was in office, just pointing out that if you embrace that story you embrace affirmative action, because aside from a teeny bit of minority business contracting and civil service hiring provisions, that's what affirmative action actually means in this country.