We don't let minors make any significant health decisions without parental approval, or buy alcohol, or cigarettes, or play certain video games, or watch certain movies, or work, or drive cars. How the F does changing your gender keep flying under the radar as something a child of any age is capable of deciding on? How?!

Parents don't let their kids eat what they want to eat or dress how they want to dress, but deciding suddenly you're a boy instead of a girl is just fine and dandy and sure the kid knows what they're doing. How?

Not to mention the damage this does to equality between the sexes when you don't know anymore what your equality data says.