I'm from the Kenrick Cleveland school of NLP, and he was once a student of Bandler's; he also had some interesting stories about Bandler.
Bandler is notorious for "darksiding"(using NLP to harm someone) clients to get return business as well as doing it to people who fell out of his favor. Kenrick told how when he finally decided to leave Bandler's wing, Bandler executed a "values destroyer" pattern which left him depressed and almost suicidal for months, all because he was angry that Kenrick would leave him.
I once personally heard a Bandler seminar where he did an "impotence" pattern on several of the males in the audience, he can be a nasty S.O.B. . Brilliant no doubt, but twisted.