In response, i didnt mean to derail the Cowan thread. but seems an emerging formula, therefore relevant info. Even in a book I had to read in a college course by Gregory Cajete, Cajete mentions there being outsiders who were welcomed to learn about some traditions by groups such as Huichol in earlier times, but were currently taking efforts to tighten up on that since exploiters had been popping up. If I get a hold of that book again, I'll edit this post and put the exact quote because of relevance here.
As for the other exploiter mentioned, I believe a name has been passed on to a moderator here. If it is questionable whether to to post a new thread about someone, I assume it is best to send it to a mod first. Eventually these questionable figures usually pop up here on nafps though. I think maybe some of these "shamans" have flown under the radar for a while because of not having developed big enough following until now, such as Cowan not being posted here for a long time. But now it seems his act is gaining more prominence. Exploiting the Huichol (and mixing it with disturbing concoction of other stuff) is a new age trend, kind of like how Lakota are another common choice for exploiters of traditions. Some new agers exploit both.
What is needed is a way to educate new agers that no it's not ok, and that no, they are not honoring anyone or any culture when they perpetuate this stuff. But new agers respond just like anthropologists defending a racist theory, they just come up with a bunch of defenses based on their colonialistic logic, rather than listen and re-examine those assumptions.