One of the problems with episodic television of any color is that everything has got to be okay at the end of the episode so it can start again next week. So the events that occur are rarely life-changing. But with film, you can say that this thing only happened once; this is a major thing that happened to these people.
I see the beauty of Mike's attempt to devise an ideal ethic and applaud his recognition that such must start by junking the present sexual code and starting fresh. Most philosophers haven't the courage for this; they swallow the basics of the present code--monogamy, family pattern, continence, body taboos, conventional restrictions on intercourse, and so forth--then fiddle with details. . . even such piffle as discussing whether the female breast is an obscene sight! (p. 365)
If you just warn people, they often simply ignore you. But if you ask them a question, then they have to think about it. And once they start to think about the consequences, they almost always calm down. Unless they're drunk, of course. Or stoned. Or aged between fourteen and twenty-one. Or Glaswegian.