It may surprise you that "Americans" are not all one set of people at one time in history.

There are so many layers of wrong here

1. The Vietnam war was fought over Communism, not socialism

2. A handful of people travelling or moving anywhere says nothing. 1000x more Vietnamese move to America than the other way around.

3. Foreigners would probably not be allowed to make usage of socialized healthcare

4. Vietnam doesn't have universal healcare. Foreigners would probably prefer private healthcare anyways, which Vietnam does have.

5. It is a Twitter screenshot