It is what it is. It's mutilation and it's barbaric. I'm not big on euphemism and rarely use it in any context at all. I know what people generally think about this, and I know how my comments come across, and you can use whatever euphemisms makes you happy. I don't mind.
The #1 reason that establishes its barbarism is that if it were any other body part that were to be mutilated, it would be deemed barbaric. And might I also add that many cultures even back in the day regarded infant genital mutilation as barbaric and contemptible - this include Greco-Roman culture and Far Eastern cultures.
There is nothing at all in the history that suggests it is tolerated except by custom. Now, how the custom itself came about is a mystery lost in the shrouds of time.
I'm just saying it tends to make you sound...unreasonable. That's all.
I believe it came about among Arabs and Jews because sand would often get caught underneath the foreskin.
When your enemy looks and speaks just like you, it becomes an indentifing mark.