I read the article, and I feel their pain and frustrations. This is not a road for the faint hearted. And the doctors did not listen to their patents when they said "No. I have changed my mind." Yes a a competent psychiatrist would detect the truth behind the reasoning.
Does it happen? Yes. And so does removing the wrong leg, which also happens. Are they to blame for their unhappiness? No. They were not diagnosed properly. That was the systems fault.
But for me, the only thing stopping me now is the funds. I am mentally perpared for the change at being the real me.