Same thing as Train wreck TV. Some families self-destruct for millions of people to watch. The Goselins (on Jon and Kate Plus Eight) and all their recent problems, for example. Families become famous, dysfunctional celebrities before our very eyes and ears.
Fred: My wife likes those shows too. I leave the room when she starts watching. There's way too much voyeurism on reality television shows these days. That's all those programs are, Fish bowl TV.