> "Underlying sex" isn't a particularly coherent concept to begin with. By what potential mechanism could "underlying sex" influence behaviour, other than hormo

> "Underlying sex" isn't a particularly coherent concept to begin with. By what potential mechanism could "underlying sex" influence behaviour, other than hormonally? By that argument, trans people shouldn't exist because they have the hormonal profile of their birth sex, therefore they shouldn't exhibit observable behavioural differences.