When I attended the Robert McKeee Story Seminar back in 2008, the subject of voyeurism came up. Out of nowhere, one of the other attendees shouted out, "But what's wrong with voyeurism?"
Robert McKee threw his hands up and helplessly said, "I don't know!"
It's also worth noting that during the 11.5 hour/day seminar (3 days total) Mr. McKee does not usually allow questions to be asked during the lecture. We were warned that if you did in fact blurt out a question, even if it was a thoughtful one, you'd be thrown out, not let back in, and no refund for the pricey admission would be issued to you.
But, for whatever reason, he felt compelled to answer this particular question.