Teaser, that Scientific American article also mentions that the Hiwi eat modern foods. As we know from Price's observations, every single instance of a traditional population that did that suffered from all the same ills we do. So, the Hiwi are an example not of a traditional population that eats a traditional diet, but of a traditional population that eats modern foods in addition to their traditional diet. So, that's a fail for Scientific American.

And, also from Price's observations, every single instance of a traditional population that ate their traditional diet suffered exactly none of the ills we do. So, that's another fail for Scientific American.