My son's school's film club (run by students) chose to show it.

I think it appeals to people because you absolutely feel the humanity of the situation.

But like so many in every thread that discusses this, I don't feel I can watch it again. Maybe I should, though. The time I watched it my family were all away, and I had flu, was feeling really ill, lying on the sofa alone in an empty house. Hoo boy. Hold your loved ones close.