A) Life is too easy for them so they try to make it harder, it's also why they love horror movies/games so much
B) They are ultimate conformists and will do anything to become "normal" it's encoded into their DNA to survive and breed if she will get rejected by society she may be forced to leave tribe and be eaten by wild animals
C) They think attention will bring them woke Chads but Chad doesn't care about mutilated beasts jfl
In case of B she doesn't think since she is NPC that only mimics other people like chameleon, her mistake was being born in current times where she was all around brainless commies that talk about LGBTorpedo 24/7. Goal of troons is to remove not just genders but humanity (transhumanism) that's the end goal of reptilians overlords.