There isn't enough evidence yet, and its the first of many studies currently on going. I first heard about these back in the mid to late 2000s as helping people is something we humans are usually pretty good at doing.
I think you do have something against someone who is transsexual, in fact its pretty obvious you do from they way you talk about deceptions an unethical treatment when you have no idea what that person is going through. Its very similar to certain wealthy people who disparage the poor for having refrigerators because we can't let them poor people keep food fresh. Completely disconnected with the situation is exactly what you sound like.