Besides that, do whatever you want, even if I don't agree with it or its motivations. I am not the ruler of the world.
People tend to get overly emotional with these subjects because they usually project themselves onto their opinions and if they get a nasty rebuttal, they feel it like a personal attack or w/e. Being brutally honest: It's his body and will and he's free to do whatever he wants with it, except harm others without their consent.
o/