[mwyah]

>I don't find it to be unreasonable. If a trans person clearly states that her pronouns are "she/her" and you twist your sentences around to avoid using pronouns at all, that could certainly give the impression that you don't recognize her identity as valid.

...and why should I? Why is this a given? Reminds me of when Andy Bernard goes to therapy and when he comes back he asks people to call him Drew.

[knowledge-clay]

Because trans people exist, and this isn't really up for debate, it's accepted by all mainstream medical and psychological associations and is demonstrated in practice by the lived experiences of millions of trans people.