This story is BS. Number one, the sentence above is just about unpronounceable by the human tongue.
Second of all, ancient South and Central Amnerican languages are amongst the most studied in the world. I have at least 3 books on them somewhere.
Tun txi jun xjal twitz aj kawil.
Translation: Where’s my Medicaid, Section 8, Food Stamps, and AFDC? Not so difficult.