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
After all that the Khmer Rouge kept fucking with the border and shooting at them so they had to go in there, depose Pol Pot, and end a genocide. It's mind blowing the lengths they had to go just to get everyone else to fuck off and leave them alone.