I don't totally blame her for feeling that way though. A lot of the older Asian population are highly racist towards other minorities. And I'm saying this as an Asian myself.
Still, bitch needs to check herself. Anyone could say the similar things about a black neighborhood and I'd wonder how she'd feel about that. It's called Chinatown for a reason. It's not like you go in expecting everyone to speak English and have American manners.
Why not? You live in the United States, you should at least be able to speak English