That should boost his street cred with the primary voters.
There is a LARGE contingent of “Americans in Name Only”, of whom, though they may have been born in the physical territory of the United States, have never assimilated to the culture of the United States of America, and are functionally illiterate about almost all aspects of what it is to be an American citizen.
Some, or course, are the so-called “anchor babies”, born of persons with dubious claim otherwise to being either legal residents or with any functional ties to the US, while many more, of perfectly legal birth, were woefully miseducated and are the products of long-term political indoctrination, in which they were told, repeatedly and at length, that America is “bad” and has NO redeeming social benefit for the rest of the world. Well, maybe as a place to be colonized by malcontents from elsewhere all over the world.
Joe Biden seems to strike a chord with these people, and they see no inconsistency whatsoever in the blandishments and theoretical aspects of various schemes of socialist doctrine, or of non-Western “religious” teachings, beyond thinking these alternatives are “better” than the Judeo-Christian foundations of the Great American Experiment, a most wildly successful formulation of governance that has proved its superiority over and over, as various socialist schemes have risen and fallen even within the relatively brief existence of the Republic of the United States of America.