Superman is an American. He is for the "American Way" which is the way of democracy and freedom, of taking risks and daring great things. He *chooses* to live in America. he could live anywhere.
Hollywood can play their word games, and that is all this is, -word games- to make money over seas.
Everyone KNOWS what the Superman mythos is about.
He is FOREVER linked with America and our way of life. Freedom and justice for all. They cant change that. No matter how hard they twist and squirm their words. He is what he is. They can't change that, ever.
Allison Mack of Smallville was asked why the show was a success and she said, "I think its because the show has this American feel to it. A vibe of pro-America, and American values and all that stuff. Its a very traditional show." She gets it. Plus, she's really cute. ;-)