Others have explained why MAD has nothing to do with "tolerating" the use of nukes, and is instead more about game theory. But let me put it in familiar worlds

Others have explained why MAD has nothing to do with "tolerating" the use of nukes, and is instead more about game theory. But let me put it in familiar worlds from pop culture: "A strange game. The only winning move is not to play." (Because Iran doesn't have nukes, it's currently being forced into playing and making losing moves.)