Because they understand energy, Saudi UAE Kuwait Bahrain Qatar Oman will understand Bitcoin sooner than those who believe that you can just print money out of thin air.
Also, game theory.
Discussion
Qatar is rumored to be buying. Not sure of any ME mining at scale
Oman has invested $800M so far, imagine what they neighbours will throw in https://decrypt.co/153942/oman-crypto-investments-halal-haram-sharia-law?amp=1