"Shutting down all immigration from every country tomorrow won't solve the problem if thats your plan."
-Straw man.

"This guy, like the last guy (who was 50 years + ) were born in their countries."
-Where he was born was/is/won't be relevant; the only people who claim it is are those like yourself who intentionally misrepresent the opposing viewpoint so as to argue against something no-one ever said.