Turmoil, yes, plenty,, but "military menace" is a bit overstated. Saudis are like the characters in Wall-E, fat spoiled people (might be the fattest large country on earth, huge market for American fast food chains). They can't get boots on the ground in Yemen. A hundred Turks could hold off five Saudi divisions in Qatar.
“Nothing is more useful than to look upon the world as it really is.”