Though aren't there a number of Shamanic traditions, aside from Amerindian and MesoAmerican? After all, the oldest visual depiction of a shamanic practitioner comes from Siberia. Cultural appropriation is one thing, but Shamanism is a set of techniques that are found in cultures on almost every continent.
"Stories are the only enchantment possible,
for when we begin to see our suffering as a story,
we are saved."
— Anaïs Nin