I'm kind of surprised you know that, since you were the one who brought it off topic by quizzing him about his teacher, and the organization in general. What does it matter to you if his instructor is a legitimate instructor or not? He came and asked for medical advice, we gave the best advice we could through an internet forum without actually examining him, and thats that. End of discussion. If you want, start another thread about the legitimacy of his lineage, or whatever you guys are talking about concerning bujinkan budo taijutsu (tbh, not sure exactly what the argument is since I don't have any vested knowledge/interest in Bujinkan). But make that a different thread, don't just continue it on this one.In any case, this subject has nothing to do with the topic being discussed.