Originally Posted by BillSeurer 
BTW, it wouldn't really matter if religion was taken out of the picture. People will still find excuses to kill each other as has been proven throughout history, including recent history.
Not recent enough. Violence have gone down for hundreds of years and especially after a society have gone from monoculture to a constitutional democracy there's a great reduction in war. And a reduction matters, even if you promote a zero-tolerance hypothesis.