It’s not specific to U.S. this kind of discrimination happens all over the world including countries like Norway <a href="https://sciencenorway.no/a/1780812" rel="nofollow">https://sciencenorway.no/a/1780812</a>
These studies are going to become harder and harder to do as automatic credential verification becomes the norm. Made up resumes will get flagged before they ever get to a human.