asides

Why are you pasting ChatGPT responses in this thread?

Depends how it's taught. As a parallel example, it should be no problem to teach about Christianity in a school context, in terms of informing pupils that this is what many people believe. The problem is when the principles of Christianity are taught as if it is truth.

Same for gender identity and trans. It should be fine to inform pupils that some people in our culture believe that everyone has a gender identity, and that they also believe that this is what defines if someone is a woman or man or, as is described within this belief system, neither. But teaching this as if it's a fact is problematic.