We need to change the rules. Third world people escape the dysfunctions of their societies and bring those dysfunctions with them. Jews, on the other hand are so valuable that we should facilitate their immigration. We should also make it easy for whites fleeing sub Saharan Africa to move here.
The only diversity that is obviously beneficial is diversity of opinion. The partisans of diversity do everything they can to suppress the books and ideas of Charles Murray, Jared Taylor, and Professor's Arthur Jensen, Richard Hernstein, and J. Philippe Rushton, because they know they cannot refute them.