Yes it is
Gender reassignment is much more successful if it started before puberty. Once puberty has occurred, you end up with Transexuals who still look like their former sex
You know, the ones Conservatives post pictures of and mock as freaks
Studies show, that 80% of all children, claiming gender dysphoria, if left alone, will self resolve as they grow into adulthood.
And interestingly enough. 2/3rds will identify as gay.
What part of this is beyond your perverted comprehension?
You would have made a great Nazi medical professional