It also minimises the fact that the Vietnamese, a colonised people, defended themselves against a rabid bloodthirsty genocidal empire that was armed to the teeth at great personal cost.
It's the kind of thing that people who view war as games and banter tend to say. So children basically.
Edit: Also calling an entire east Asian nation one of rice farmers 
Xi personally getting the kill streak that calls in a tactical nuke on the White House.
territory here but the North Vietnamese had a modern (for the time) regular army and air force as well, a lot of people assume it was just the Viet Cong.