I think the Arabs are there because, after the custom of their people, they didn't want to improve their way of life, but preferred to cut off parts of their bodies and appendages of others, to fight, plunder, and rape. A desert is a good place to retreat to after raiding the settlements of more peaceful and productive people.
I used to be a scoffer, but now that I learn that Climate Change Causes Islam, I realize that we must curtail Demon Carbon NOW. I must climb into a private jet and fly all over spreading the news to the ignorant masses.