Are Sex Differences a Problem in Need of a Scientific Explaination?

The science says male and female brains are differently structured. Once that's been extracted out, why are we still concerned about the choices people make? We could equally look at the distribution of ethnicity versus interest in physics - i just don't think it's interesting or that it matters. So i think i would be with daniel hannon on all that. They are perfectly valid without the evolutionary psychology. More than that, not only do they stand without it, they are undermined by in king them.