But how is that at all different from non-European dynasties and empires?  

At the Battle of Vienna, Suleiman's forces had almost 100 000 janissaries, all of whom were slaves captured over the years from his conquered territories and trained to be soldiers in his army.  The entire empire funneled money and resources to Constantinople, and the Emperor was one of the richest people on the planet.  They received tribute, soldiers, taxes and levies from all over the Empire for FAR longer than 200 years. 

You think that if the Ottomans win their portion of WWI and retain control of Palestine and the rest of the Middle East, that they would have just handed control of that oil and all the wealth it could generate to the local Arabs, the same Arabs that revolted against them with the British? Whether the oil gets sucked out of Palestine to London or to Constantinople, there was ZERO chance it was staying in Palestine.