Why would people think America was justified for Japanese internment camps? Why would people think America wasn't?

The people who think it was justified tend to say that:

If it was Mexico who had attacked, the camp would be for Mexicans The World War 2 was a total war and governments were doing whatever it took to win the war, hence Pearl Harbor and also the atomic bomb. Considering how scary World War 2 was, it was just a matter of time until Americans would go paranoid about Japanese spies

The counter arguments are usually:

America was doing the same thing that it was said to be fighting against It was not fair to the families Those were also american citizens and the xenophobia is unjustified It was a violation of the constitution It was morally wrong