But that syndrome is literally about a lack of testosterone production in males, so of course hormone treatment is justified.
There’s an imbalance being fixed.
Gender affirmative care isn’t medically necessary, you’re not curing an imbalance. You’re modifying your body to align with what you want it to be.
In my mind it’s just like plastic surgery. You wouldn’t let a kid get tons of plastic surgery because they don’t like their body image. Why should we start pumping them full of hormones?