Global people have no obligation to be kind towards US occupation forces. But communists/left wing forces must have a plan to integrate them into their organizations.
The KPD failed and these men became blackshirts.
The Bolsheviks succeeded and created the Red Army.
Woodrow Wilson had a stroke and they kept it a secret. FDR couldn't walk and they kept it a secret. Eisenhower had heart attacks and they kept it a secret. Reagan had colon cancer and dementia and they kept it a secret. Trump's health is much worse than whatever they let us see.