There are some people who been raised and lived the life of a woman, completely undetected till they don't get their period in puberty, perhaps till they get married and wanted children, what will you say to those people?
Dress and act now like a man, go to the gym and stick a beard on?
People who have an sort of Intersex/DSD cannot change their appearance and Neuro-Physiology, because some uneducated people fearing of been cheated by people with an “metal illness”.
They will never reach the phenotypical status of a full biological male, to tell them they should try, makes them to clowns in our society.
Its hard enough, that for the most, they cant become pregnant and their gonads had been removed early in childhood, so that they have no chance to reproduce via sperm, what sometimes is possible.
Google for AIS Women. There are people who have been raised as male with that condition and milder variants too. They will always look girly, feminized, often their puberty does not complete and they get breasts and no beard, female voice.