> These people ate wild oats, and acorns, pine nuts, and other grass seeds-
> along with game and berries and stuff-

many tribes and especially in the south have been touch by the neolithic
revolution so even when they got back to gathering life style kept the bad
habits or addictions ( natives from amazonias also have been certainly the
survivors of big empires and kept their  starchy habits )
any way many tribes in the world are nor representative of paleotime  ferry
terminal
jean-claude