The Eastern Province of Saudi Arabia has a lot of oil.
The Eastern Province of Saudi Arabia has a lot of Shiites.
Many of the oil workers in the Eastern Province (as well as Bahrain, Oman & UAE) are Shiites.
These Shiites are currently very angry.
- Long term discrimination by the Sunni monarchy
- Military support for Sunni jihadist terrorism
- War on Houthi Yemen
- Execution of Sheikh al-Nimr
- Saudi economic problems
- Stubbornly high unemployment rate
- Growing wealth gap between the rich and poor
If they decide to boycott work in any significant numbers, the price of oil will go through the roof.
