It's funny you say that because, during the middle ages, the same was true, for the most part, about European civiization...men of title were warriors.
While Judeo/Christian civilization has moved on to more productive endeavors, islam is stuck in the middle ages.
No, islam isn't stuck in the middle ages, islam is stuck in its own roots, the parasitic nomadic arabic survivalist culture that can be traced historically back to 1500 BCE.
And Europe stayed stuck in the Middle Ages as long as that was true.
As long as the armored knight on horseback was the supreme fighter, and could beat a large group of unarmored peasants, he was in charge. Gunpowder changed that. Being a knight required expensive equiptment, and a lifetime of full time training to stay proficient. When a peasant with a musket could put a hole in a knight, that was that.