It is precisely because of the superior virtues of America (e.g. a rule of law that protects individual property and liberty) that is is economically prosperous. I can't believe that I have to explain this here, of all places.
You have to remember that you're talking to Marxist-Leninist-Buchananists, who are nationalist socialists.
To them, all property ultimately belongs to the State, and the State graciously allows private individuals to hold it in trust--as long as they only hire "real Americans."