I distinctly remember Kondo Sensei reading us the riot act at one of the first seminars of his I attended. There were a lot of first timers there (myself included) and Kondo Sensei was furious that people paid $200, drove for hours or flew in, and STILL didn't listen and try to do what he said, but just continued with their old habits. I also remember that there was some rather 'heavy' ukemi involved at some point
It seemed that some left without ever quite getting what he was going on about. He also took the time to explain why he was so furious quite clearly. One of my "memorable moments in Budo"...