Definitely Armageddon is useful concept and probably one of the most successful and profitable one. However nuclear war is not accurate concept here, you cannot attach to is business strategy and government bailout. That is why it will end at the same social media attention level as say asteroid impact ending humanity NASA tried to use two decades ago ( not without success, you remember that Hollywood movie) for repairing their position. There is a lot more profits in various environmental strategies which may lead to new products, lowering your citizen rights and various taxes
I was skeptical about the claim that a single Russian Poseidon could create a tsunami the size of Mount Everest.