It sure worked the first time they tried it...
That was to a battle, NOT a Jihad. A cowardly battle at that. We can lose a battle or two and still win the Jihad. I think they are finding that there is nothing holy about this war.
True enough, but I can't help but wonder if they don't deeply regret the act - they are paying a considerable price, well beyond what I think they anticipated.
Those who fund, harbor and train Islamic terrorists should read the history books from 7 December 1941 to when the racist Japanese Bushidos finally signed an uncondition peace agreement, to see what is coming their way!
Today we have even more awesome firepower, better surveilance/communications and probably a better trained military. They can run but they can't hide.