they believe in a stupid mythology that says the world should be under a muslim caliphate and every non believer should convert or die because a 1,400 year old book told them so.

I'd be willing to bet this sub-human that strapped on a bomb and blew up a bunch of girls doesn't know anyone who was killed by a smart bomb. His family is from Libya and he spent his entire life in Manchester England. He did this because he's part of a miserable death cult, not as some act of defiance against smart bombs dropped 1,000s of miles from his comfortable existence in a country that gave refuge to his family

We've certainly not helped the situation by our involvement in that shithole part of the world, but our involvement has not created these monsters... just the vacuum that allowed them to grow and recruit more to their ranks. If we never dropped a smart bomb in afghanistan, iraq or syria, which oh, by the way was originally in response to them flying planes into buildings and killing more than 2,000 americans before a single smart bomb was ever dropped -- they'd still be trying to kill us.