While there have been people who have done things like this in all ages (and also over believing there is NO God, as opposed to just the wrong one), your statement is not as accurate as it could be in most cases if you take into account the context of those wars.
That said, Benedictine monks would not be at or near the top of my list for people who would get all triggered, angry, and go to war over you disagreeing that God exists.
Yes, people fiercely defend what they love and believe. But it's possible to do so graciously and firmly without being angry or freaking out that someone disagrees with you (I am not referring to you specifically, but you, myself, our readers, mankind, etc).
Although I vehemently disagree with the beliefs of Muslims, I have always had a great deal of respect for the fact that they are unapologetic about them.
I, for one, appreciate this whole thing.
If I were required to love Osama bin Laden, well, my Lord Himself requires us to 'love our enemies', and 'pray for those who persecute you'.
There is no religious discrimination here. It appears that some seem to believe that if religion is mentioned, that is discrimination. But that word does not mean that.
I think they can be both - the liberal vs conservative part is merely the means by which you do so - do you vote small parts of other people's property to the task or do you donate your own property voluntarily to the task.
And lest this seem like a conservative jab - it is not intended in any such manner - I willingly admit that in those times the system worked completely different than it does now in ways that would create a great deal of consternation in both modern liberals AND conservatives.
I daresay that a difference in opinion like that would probably not trigger most people back in that age in the same manner it seems to do so now (on both sides - I'm not picking on one side here).
That said, Benedictine monks would not be at or near the top of my list for people who would get all triggered, angry, and go to war over you disagreeing that God exists.
Yes, people fiercely defend what they love and believe. But it's possible to do so graciously and firmly without being angry or freaking out that someone disagrees with you (I am not referring to you specifically, but you, myself, our readers, mankind, etc).