If you publish a scientific paper it is very hard to start a nationwide debate about something. If you do this in a movie you can start a debate. We like to create a bridge between those two worlds - film and science.
I'm the type who'd be happy not going anywhere as long as I was sure I knew exactly what was happening at the places I wasn't going to. I'm the type who'd like to sit home and watch every party that I'm invited to on a monitor in my bedroom.