> There are no scientific methods to prove such aspects of people exist in a definitive external way.

Prove conclusively? You're probably right. This thread proves this topic goes deep and there's a lot of gotchas and on some level might even go as deep as the problem of consciousness generally

> . These people do not clearly exist as they have defined themselves.

See now you're defining them as a group, based on their own self-definition, this is putting the cart before the horse in more than one way.

> Children have shown to grow out of this self identification.

Some sure. The ones born with ovaries never do. pregnant,