My girlfriend Emilie is a art history major, works at LACMA (one of the two biggest art museums in LA) and a feminist. She explained at length the conservative male oriented attitude of major museums to me. It's not limited to the Met, but is the underlying element of the whole western art world. Women weren't allowed to be artists throughout most of western history. They weren't allowed to go to anatomy lessons or work with nude models long after men were allowed. Their work is rarely represented in major art institutes, and they are almost entirely left out of the history.

I know Guerrilla Girls are a pretty left-wing group, and stats can be used in clever ways to make a point, but it doesn't change the maleness of the art world. I also put progressive in quotes because most major art museums really are highly conservative, slow moving institutes that fear any change to their structured little world. Along with women, I think most art not of the West is also grossly under represented or misrepresented in the academic world of art history.