Why should only the professional have to deal with globalization? We have enough labor at all strata.
Unfettered immigration is a burden on most parts of society. The only beneficiaries of a labor glut are academia, the wealthy, the political class and global corporations.
Neither doctors nor teachers want to allow competitors into the US, and they have highly effective lobbying arms.
I’m with you for cultural and voting reasons alone. I’m fine with a full immigration stop for the next half decade or so. That could of course lead to reciprocal shutdowns, thereby keeping Americans from being able to emigrate as they’d like in a number of cases. But still I’d do it.
However, your assumption is not always correct. Bringing in high-talent entrepreneurs leads to more overall industry growth—such as what we have with the number of successful entrepreneurs we have from India in Silicon Valley. They create far more jobs than they take. (Not the case with all Indian tech immigrants, however.)