The more I listen to people who studied NLP in the 70s and 80s, particularly Richard Bandler and Mark Cunningham, the more I am convinced that Tom Brown Jr. was one of these people, who then miscredited what he learned about human psychology as "spiritual skills taught by an imaginary Apache man".
Another tactic I remember Tom Brown Jr. using at his Tracker School is, after building
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"Cults," Sects, and "New Religious Movements"