I don't think I could say it here any better than the comment I left on the site, so to save you the trouble of finding it, here it is:
I'm sorry, but as much as I hate New York, hate the Yankees and hate Yankee fans, this is just stupid. It's NEW YORK for cripes sake! What do you expect them to be wearing? Mariners Caps? Padres Jerseys?In other news...
What you have discovered is that some sub-section of the population of New York dresses a lot like the REST OF THE POPUPLATION OF NEW YORK. OMFG - Yankee fans? In NEW YORK?! Stop the freakin' presses!
Nonsense stories like this is exemplary of everything that's wrong with the news media today.
(Go Red Sox!)