While that might have been true from the start, and it certainly became more true over time; is worth noting that otherkin is a real phenomena, and making fun of that was terrible in itself.
Humans do have an innate proprioceptive body map, but I don’t know to what extent that explains otherkin; since in most cases an otherkin is an alter within a dissociative system.
Crayons are potentially very dangerous drugs.
I might well be dead or jailed if not for illicit access to hormones.
Bodily sovereignty is non-negotiable. Only thing government should do is provide access to medical instruction or supervision to those who request it.