Problematic is putting it mildly. Mixes and matches just about anything he comes across, African and NDN beliefs, drug use, twinkie people like McKenna. The wiki page says he claims to hear the voice of Quetzalcoatl, the Aztec god.
Here he is selling ceremony at a spirchul tourism site.
http://www.realitysandwich.com/Brazil_retreatThey say to contact for the cost, but mention a stay is $100 a day. Keep in mind this is in South America where you can find a nice hotel for $5-10 a day.
One writer calls him a big practical joker or someone whose used too many drugs. He also points Pinchbeck bears some responsibility for the suicide of two of his followers.
http://unreasonable.org/node/3267Note in the comments where he gets into a debate with a Pinchbeck follower who is, like Pinchbeck, a 9-11 conspiracy nut. Pinchbeck himself responds and admits the possibility he is delusional.