What the Nazis did was nothing unique - it has been standard fare for colonialist powers long before WW2 happened, and it was stadard fare for the US both before and during the (so-called) “Cold War.”
Homie, I think you should learn some more about the eastern front. The United States wasn’t on an ethnic cleansing campaign in Indochina. The Nazi’s were on an ethnic cleansing campaign.
TLDR - “Our Army that now remains in Vietnam is in a state approaching collapse, with individual units avoiding or having refused combat, murdering their officers, drug-ridden, and dispirited where not near-mutinous.”
Which had had which major defeats associated with it?