The point I am making is that for whatever reason, the USA never admitted everyone that wanted to come, willy-nilly, at least after the Civil War.
Perhaps Emma Lazarus thought of herself and her fellow Eastern European Jews as wretched refuse. I think there were many in Russia that saw them that way.
There are mistakes made in admitting certain people to this country, but it is more a matter of character than a matter of nationality.
Still, we are definitely better off without Yugoslavian Gypsies. In particular the tribes of pickpocket families.