So, again, America seems to be the only country where everyone else claims a positive right to enter and dictate what we do. You do not have this right. It never existed. You were convinced that it existed by a combination of overly generous federal spending and the center-left boomer generation winning a few elections here.

>Cooperation is really the core mechanism for societal growth

This is an interesting claim to make when almost all of the leaps forward in technology advancement came either during a war, as part of the lead up to one, or within the context of a cold war. Similar to the entryist problem, everyone demands cooperation from the United States, no one asks for partnership.

>in this case, by creating a subclass

This is literally the point of the concept of the Citizen. A Citizen is prioritized in their own country. A non-Citizen is not. Something happened with education because it feels like we have to go back to deriving the point of the nation-state from first principles.