And because this WAS a program...I'll bet there are a lot of Museums that have done the same.
Actual artifacts are relatively rare because of the organic materials used. They deteriorate and become dust in the wind over time.
Now, if those ‘copies’ were made by actual Native Americans that are still alive, is it any different that they weren’t made by someone whose been dead for a couple of centuries?
Making ‘artifacts’ for museum displays used to be a business that tribal nations ran................