Rather than rights and privileges, think about the economic consequences of this. People will stop coming here for advanced study for advanced research and for advanced industry jobs. And most institutions and companies will accommodate this and try to have such people work from where they are vs fight an onerous government to bring them here. The net result will be damage to the US economy

Our scientists are already leaving. Now we're preventing new ones from entering.

This is how you become the Kingdom Of Dumbasses.