Absolute Stance

This has been annoying me immensely lately. I have gotten into quite a few arguments with people, particularly to do with the Middle east. Mainly because people seem utterly unable to comprehend that no one is right.
The debate, and it seems a trend on lot of issues, is so utterly polarised, people are so sure their stance is the right one and that there is no possibility of the other side having any valid points.

So you get people who are otherwise rational saying things like I’m 100% behind Israel … anyone who is 100% behind a country is either a moron or delusional.
The only thing im ever 100% sure about is that fanatics and zealots on either side are 100% arsehats