Yes, many villages have enlistment rates (they're not drafted) above 90%, which the Guardian would probably attribute to lack of economic opportunity (actually a function of the chosen nomadic lifestyle). How they'd explain away their performance in defense of Israel, I don't know.
Bedouin trackers "The First In The Force, Lead The Battalion And Save Lives"
The Sixth Sense of the IDF's Gaza Brigade Trackers
Best Battalion Award for 2001 Goes To Druze Volunteers. Not Bedouin, but similar situation