I did too. I'm not much for "setups", but the lesson was good and the response of those that were being setup was even better.
Did anyone there even have the most basic common sense to tell the audience that ministering to bums should only be attempted by full grown men in groups with the ability to defend themselves if need be?
Who's going to take responsibility for some 100 pound girl who was moved by this to go preaching under the overpass and she gets raped and killed?
You can be Christian without being suicidally liberal oblivious to the realities of the world.