US immigration goes beyond just the President's personal views and desires. The present situation is pretty difficult for many would-be immigrants, even those from middle class backgrounds in stable countries. If they lack a degree or their degree isn't recognized, they can't easily get a work visa (for permanent resident status, not temporary workers). They have to get married, go for the diversity visa program, or become a student (may be their second or third degree for some if they go this route).

His father was not an immigrant, he was born in Queens. And the immigration laws are a much bigger obstacle now than they were even in the 80s.