Ah, that seems to be what I hear a lot. Where I'm from boys are given into the abbey's care when they're fairly young, five or six, and sent off on their missions when they're eighteen. I was left on the abbey steps as an infant, so I was there longer than most of the other boys.
And folk are too widespread and far flung for that kind of fighting to take hold, sure there's still some sects on the fringe that are fanatical, but for the most part folk fight over things that matter.