[cooper12]

Maybe because American citizens aren't tripping over themselves to immigrate to those countries? Also history has proven time and time again that prejudice against immigrants from American war enemies was always based on xenophobia and racism rather than legitimate security concerns. [0][1]

Regarding your second paragraph, what bizarro-America do you live in? That's exactly what happens to people who overstay their visas. You last sentence also betrays your own xenophobia: you associate people looking to "live the American dream" with wanting to violate the sovereignty of American.

[0]: https://en.wikipedia.org/wiki/Anti-German_sentiment#United_S... [1]: https://en.wikipedia.org/wiki/Internment_of_Japanese_America...