“ our society is unequal, and bodily difference is used to justify that inequality. ”
Science faculties at renowned research institutions were given two identical CVs to assess. Half the scientists received a CV with a female name, and half with a male name. The 'female' applicant was consistently rated as less competent and less hireable, and the scientists were less likely to want to mentor her. The 'male' candidate was offered a significantly higher starting salary
~ Emer O'toole
Even within our culture, there are times when breasts stop being read as bouncy sex balls: when women are breastfeeding, there's pretty wide acceptance of the fact that shouting 'phwoar' is bad form.