One of the hot points in the Middle East was that oil was found in the countries with the smallest population, like Saudi Arabia, Kuwait and UAE and not the largest like Egypt, Turkey, Syria.
Turning Egypt into an energy producer will do a huge amount to lift is population out of poverty. It may indirectly slow the growth of terrorism, because they can build their own power sources and manufacturing without sending tourism dollars to neighbors that fund terrorism in exchange for fuel.
Add the potential for desalinization in a still largely agrarian country, and they can do well if they stay secular.
The latest discovery represents about half of Egypt's current gas needs