Earlier quoted context omitted.
Reminds me of a funny story a professor told me. Back in the days of apartheid, someone told a Japanese friend of his that in South Africa, that he'd have the same status as a "white", to which he retorted "Why would I want to be white?"
Relatedly, "Asian" is a category which exists in America a heck of a lot more than it exists in Asia. (I was helping one of my friends with a grad school application. He got to race, asked me why a school would need to know this -- silly Japanese person, how would we run our racial discrimination departments without sorting you first -- and couldn't find Japanese on the menu so he picked Other. Quote, "The closest I…
I understand the idea that a person is not defined by their skin color. But, really, I'm generally not talking about someone else's background as much as I'm asking a third party if they know them.
More on topic, it would seem that a good artist specifies a particular cultural background for a character if it enhances a story. Otherwise, it is often the case that any cultural baggage is brought by the viewer/reader.