Actually a lot of people who works in the government in China think you are 叛国 if you are holding a foreign passport; and they give you a hard time in China if you ever need to get anything done.
Hence we have this concept suggested by the Author.
This kind of thinking can only come from narrow minded, pityful communist (on title) who have never seen the world.
View of a frog from the bottom of the well you could say
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According to a recent study in China, most chinese did not want to be a chinese again the second time around (if there's a 2nd time).