Let's not put too much emphasis on doctorates or fake ones. The so called educated got us into the current financial mess. How many Harvard MBA's were at the fed, Lehman's, GS, and all the others who flunked econ 101, RISK.
As for the Saudis living outside KSA, only knew of 2 in my 19 years in Saudia, and the number 1 reason for their eventual return was religion.
By the way, don't get the idea that the Saudis are all arrogant and rich. Most were thankful to have a job flying with Saudia and would be good sticks in any airline.