The necessary and sufficient conditions for game theory to apply to a situation, any situation whatsoever, anywhere in the world, is two or more human beings in

The necessary and sufficient conditions for game theory to apply to a situation, any situation whatsoever, anywhere in the world, is two or more human beings in communication. That's all. Sometimes the "game theory bullshit," as you put it, is more evident and sometimes less so. But it's always there.