Every time you are asked to define what a woman (or a man) is you have no answers. QT mostly gives circular definitions to this question (i.e. a woman is anyone who identifies as such). Some try to "get around" the obvious self-referential definitions by including the word female, except they have only circular definitions for the word female, too. Some argue you can't define it because everyone has their personal definition.

If you cannot provide a satisfactory explanation for what "gender identity" is, the concept is meaningless and writing it into law will lead only to trouble ahead. If you cannot define it, how can you protect people on the basis of "gender identity"? And how can you tell who is "faking" their "gender identity" when you regard as bigotry when someone's "gender identity" is put into question (as if "gender identity" is the one thing humans are unable to lie about)?