But why?
In this movie, you say a woman simulates oral sex with a banana. In American Pie, a man simulates vaginal sex with a pie.
In this movie, you say the women are obsessed with sex, talking about it all the time and seeking out 'big fatties'. In American Pie, the men are all obsesses with sex, talking about it all the time and seeking out 'MILF's.
In this movie, you say a drunken woman pees off a bridge onto unsuspecting people below. In American pie, a man accidentally discards the sock he used to masturbate onto the face of his young son.
If you hate raunch-comedy, that's cool... I'm not at all a fan myself, don't remember laughing at American pie when it was new, and don't intend to see this flick based on your description. That all said, holding films with a mostly-female cast to different standards than films with a mostly-male cast is silly. Just as it was silly to both defend and decry the terrible new Ghost-Busters movie simply because its cast was mostly-female, it's silly to get particularly flustered over a standard, paint-by-numbers raunch-comedy because its cast is mostly-female.