It’s about the social safety of transitioning. The paper you referenced is from the UK, which is famously a TERF island (trans-exclusionary radical feminists). In the TERF island, it’s much less safe to be a trans woman than a trans man. Adolescents can sense the risk of being a trans woman is much higher, so many trans women stay in the closet and don’t come out.
It’s about the social safety of transitioning. The paper you referenced is from the UK, which is famously a TERF island (trans-exclusionary radical feminists). In the TERF island, it’s much less safe to be a trans woman than a trans man. Adolescents can sense the risk of being a trans woman is much higher, so many trans women stay in the closet and don’t come out.