It's probably best to cut off the heads of those who are cutting off heads, and leave those escaping those conditions alone.
but what do i know... Certainly interesting times
A solution or rather model for managing the threat of Islamic terrorism already exists. Israel is much farther down the road on this and you will see more western countries forced to emulate Israeli security practices. I have a feeling as these attacks expand to other countries a degree of empathy or understanding will befall Israel.