Well, the most advanced gender reassignment surgeries really aren't that much better. In fact, cosmetic surgery in general - even at its most elaborate - operates on the basis that if they take something from one part of your body and put it in another, the part that shows makes you happier than the loss of function in the part that they took it from. Gum grafts are taken from the roof of your mouth. Breast replacement surgery for cancer survivors are often taken from muscles in your back or leg or abdomen.
I don't think you quite realize just how much in the same boat you actually are as the transgender community. And instead of using them as a reason to get upset, maybe you can ally with them and light a fire under the feet of the medical community to think and innovate more in line with what is better for you.