You point out that this is sexism against a woman, yet a recent (2010) study purposefully defined forced sex where the victim was forced to penetrate as not bei

You point out that this is sexism against a woman, yet a recent (2010) study purposefully defined forced sex where the victim was forced to penetrate as not being rape (a definition that almost exclusively impacted male victims). Not just any study, but a study by the CDC. This study has been quoted numerous times, often by people looking only at what the study officially defines as rape, leading to a massive misunderstanding of the problem by subsets of society. So I doubt your notion that for men we just express outrage when large institutions are able to wrongly redefine things in a way to dismiss male victims.