[biasedbrain]

The ideology is that differences in behavior are merely the result of oppression (via social norms) by the mythical patriarchy (which apparently isn't perpetrated by men, according to you, so who is it?). Not that behavioral differences have a biological foundation.

However, there is no point in arguing. I don't know what kind of feminist literature you encounter. Maybe you just choose to read it with pink tinted glasses, or you only see the moderate ones. You get to choose your own view of the world, of course.