I believe they are aware of Oil running out as I read in Time Magazine, UAE Oil Fields are expected to dry first. Hence the effor to model themselves are Singapore or something like that......Service Based Economy.....the region needs an Economic hub.
going back to their roots. The Arabs are pretty savvy traders. Always have been.
I suppose some rich American industrialist will be buying the building after the oil bubble pops.
But the Sauds don't even have the Osama types under control and no one wants to work there, visit there or even think of being there. Some people work there - and they're being paid more because the place is so unpleasant.