It’s not offensive at all. Trans women “identify” as women, that’s not the same as being women.
Then are not female. They have bodies designed around the production of sperm. It is utterly biologically ignorant to pretend this is not a thing.
If they feel better dressing in “women’s” clothes and growing their hair long and wearing make up, fine by me. But at the point they tell me they are actually women, I find it extremely offensive, arrogant and ignorant, and totally lacking insight.
They know nothing of growing up as a girl and woman. They have not experienced the workplace discrimination, and how it feels to be the smaller and weaker sex out in the world. They are ignorant of women’s reality, but expect that I will go along with their pronouncement that they are also a woman. Just like me. Except nothing like me.
What can they possibly know about being a woman except what they imagine it to be?