Life doesn't revolve around, America.
It obviously doesn't, but does it revolve around China? Enough for these "Features For China" to be so prominently displayed on US versions of Apple's website?
However, when Googling "NYC Capital of the World," many, many, many results come up. Some of them end in a question mark, but at least, if it isn't the True Capital of the World, then many, many people are vehemently debating whether it should or shouldn't be. I've quickly pulled up results that consistently refer to New York (in other words, THE USA) as the (Media/Litigation/Fashion/etc.) capital of the world.
New York v London: the battle to be the world's capital (Notice, New York v London, not v China!)
Litigation Capital of the World
The Media Capital of the World: A Vision for New York City in 2020
NYC Fashion Info - NYCFashionInfo.com: The Fashion Capital
Also, some negatives, like
Welcome to NYC, "Marijuana Arrest Capital of the World": Gothamist (but one could argue that the war on drugs is just an excuse to make money for some people out there)
Which phrase is common to all of these? "Capital of the World"
I composed this reply fairly quickly, but if someone were to spend a week or two researching this, I think the USA stands a very good chance of being the "Capital of the World", maybe not in all fields, but at least the financial field (earning much of this title through NYC and its contributions and high standing).
My point is, I feel the mention of "Features for China" is currently unwarranted on Apple's USA site. And as I stated previously, by all means, go stick that announcement everywhere in the China version of Apple's site. If it someone at Apple felt the urge to mention it, why not include other countries with similar merits? What are Germany and France, chopped liver?