The text of the 14th Amendment reads: “All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside.”
Most people just disregard the “and subject to the jurisdiction thereof” wording as meaningless legal jargon, but it is the most critical part. It was added by the author of the citizenship clause, Sen. Jacob Howard of Michigan, specifically to prevent anyone from misinterpreting it to imply any kind of birthright citizenship for foreigners. He went out of his way to make this unmistakably clear from the beginning:
This will not, of course, include persons born in the United States who are foreigners, aliens, who belong to the families of ambassadors or foreign ministers accredited to the Government of the United States, but will include every other class of persons.
Senator Lyman Trumbull, Senator W. Williams, and Representative John Bingham of Ohio (and everyone else involved in the drafting and passage of the 14th Amendment) are also on the record emphatically clarifying this. This was even emphasized by the Supreme Court in Elk v. Wilkins, in which it acknowledged that the 14th Amendment does not give citizenship to Native Americans, because they are subject to tribal jurisdiction, not U.S. jurisdiction.
All the evidence shows that liberals simply invented this phony right out of thin air and forced it into effect without any basis whatsoever, in open defiance of what was intended and authorized.