Sanctioned psychosis.
Let’s look at some possible benefits of freeing oneself from the oppression of biological determinism.
Why limit this to gender?
What if I think I’m black or hispanic? I should be entitled to affirmative action admissions, promotions, and set-aside contracts.
What if I think I’m a child? I should be entitled to attend my neighborhood elementary school.
What if I think I’m an elephant? Would I be a protected species? Would I have to pay taxes?