I think you're probably right about the concept, but I didn't know that it was "a thing" until the documentary The Fog of War[1]. Excellent retrospective about

I think you're probably right about the concept, but I didn't know that it was "a thing" until the documentary The Fog of War[1]. Excellent retrospective about Vietnam. [1]: https://en.wikipedia.org/wiki/The_Fog_of_War https://en.wikipedia.org/wiki/The_Fog_of_War