The ideas that Purple Prose lay out are not new; but they are published. Publication does a lot to validate ideas in our world since our collective unconscious recognises validity most often through third party verification.
I think a lot of people see gender as something malleable. That I put on a dress and act like a woman, so one day I could choose to act like a man again.
Women like men, fear rejection. Coming out as bisexual by dating another woman without a man present, changes your relationship to men and the world forever. If you question the hetero-norm of society by your actions, you become a threat. It’s that simple.