I can assure you that the Arabs will soon be irrelevant when the oil stops they all go in the shat hole for good, they will not be sustainable on tourism, and banking alone can't wait for it to happen their real
 weakness is water and they hide that fact very well from the rest of the world, that is why you see so many lavish water fountains and displays in the wealthy Arab countries, they are trying to give the impression
 that there is no water problems