their grunts are mostly dumb and poor draftees from the bush and ethnic minorities
You forgot criminals, but I made this point above: When they run out of this cannon fodder nobody gives a rat's about, they will need to conscript nice Russian boys from Moscow and Saint Petersburg. if these start phoning home showing their deprivations, resistance will mount at home.
Remember the US never lost militarily in 'Nam, they lost at home. That photo of the naked girl and the story of the Mỹ Lai massacre was too much to tolerate.
