Halcyon, you are too quick to conclude. Yes, this condition of us and them seems to be inevitable at one level but to conclude it will never change - is not correct. It has changed - but not by groups (that's an illogical situation - groups are necessarily separated), but at the individual...
Pah, yes, this psychological positioning we take - using us and them as the defining basis of our fellow man is broad at times - more specific (within the subgroup - 'believers') at other times. The result is similar - we divide ourselves.
I don't quite understand your second comment...
It seems that the most troubling thing about our world is the persistant view that most of us take - namely that the world is divided between 'us' and 'them'. On our side sits the good guys, the 'believers' and on theirs - the 'unbelievers', bad guys, the godless, the religious, the infidel...
This is another 'paradigm loop' kind of question, like other similar sounding questions modern-day US (Westnern) born Protestant leaning Christians prefer to pose. For me it's not a meaningful question ('no') but I think it nevertheless identifies an issue that we (particularly in the US) must...