How religious are ‘Islamic terrorists’ like ISIL?

I”‘m often surprised how many Muslims still think terrorists are religious zealots and the problem is with religious “extremism” as if the violence stems from an overly enthusiastic reading of the Quran. While their overlords may use religion to make propaganda videos, terrorists are rarely motivated by religion at all. See this short video for more on this” Dalia Mogahed…..more: aljazeera.com