> Certainly someone who immigrated to the US as an adult cannot know more about the US than someone who grew up here. They certainly can, might even get a Ph.d

> Certainly someone who immigrated to the US as an adult cannot know more about the US than someone who grew up here. They certainly can, might even get a Ph.d in Cultural anthropology albeit without necessarily grasping small local intricacies, but the same could be said about someone from a different state. Though US here is a bad example, it's just too culturally heterogeneous compared to China.