For most purposes the Arabic speaking populations in the region continue to have several generations to go to overcome the health and other disabilities the 1000 year occupation by the Turks created.
You can look up "mammalian patterning" and "human patterning". If your grandmother was small and half starved, you may also be small and weak. It's a phenomenon under intense study. Arabs definitely show the symptoms. As much as the Arabs might have wished to join the SS, they simply weren't fit for use in a modern military force ~ maybe for guard duty ~ hence the pictures of the fellows lined up marching around.
They may not have been good soldiers, particulary as compared to the Germans, but they were killers nontheless. Don’t like being allies with Bosnia? Don’t worry, you’re about to be a NATO partner with Albania...