Because as a woman, I want to keep my dignity and safety and having to share locker rooms, hostel rooms, sports etc. with biological men and having to call a biological man she/her even if that biological man rapes me and then decides he feels like a woman, takes away my safety and dignity and humanity.
I have been tweeting, sending letters of complaints to businesses who have come out as anti-women and I have designed stickers in support of JK Rowling that can be bought on redbubble https://www.redbubble.com/people/RadFemmeDesign
Stella, Women are born, not worn
The Gender Dissidents Survey 