Most Americans recognize that for all intents and purposes, New York City isn't even really part of the United States anymore. We agree Rudy is not an optimal nominee, but the above comment is, for lack of a better word, nonsense.
No, it's not. New York City remained in British hands throughout the American Revolution, and since then it has been one of those places in the U.S. where just about every wacky anti-American ideology can always count on finding a lot of supporters.
If you were to put together a list of all the issues that Americans consider very important these days, you'll find that in some capacity New York City has basically capitulated on these issues years ago.