Israel and Saudi Arabia are making a lot of noise these days about the fact that an American agreement with Iran would make that country the local superpower. What they forget to mention is that twenty years ago that wouldn't have been the case. At that time Iraq and Syria were the natural counterweights against Iran. Unfortunately both countries were destroyed by the US - thanks to much lobbying from ... Israel and Saudi Arabia.
So they are just facing the internal inconsistencies of their foreign policies. Now they want the US to destroy Iran. And if that is finished they will bring up the next candidate for destruction - very probably Turkey - that will then be the regional hegemonist.
Maybe it is time that Israel learns to live with its neighbors in peace. Maybe it is time that Saudi Arabia stops exporting its extremism and learns to accept that it isn't the regional superpower that some of its leaders want it to be but that it never will be as it is too divided internally.