The animals who did this should be punished to the full extent of the law. Having said that, he is no more "transformed" than if I put a wig on my head.
You understand the process I assume of surgical transformation. I have sons. I would rather a gay man surgically transformed into a woman to visit the womans room. No need to squat on the urinal next to my male children. Nevertheless, again the details seem to bare out not being about the bathroom.