Well, the subject matter of the seminars concerned the use of the net by a defined universe of people. But, more importantly, all my communications with H.O. were via email. They are, as I understand, inadmissable as evidence in a court. All commercial transactions are based on the good faith and goodwill of both parties. If one party lacks these elements, then you can have as cast-iron a contract as you wish and it will do you no good whatsoever.
Rogues exist and prosper in any medium.