It's a term that creationists and other science-doubters like to abuse. When we try to explain to them how the Big Bang and evolution can explain the origins and development of life in the universe, their rebuttal is that they are "just theories".
Here's another video. I'm often asked how there can be no God if the chances of our planet being habitable are so slim. This is the reason why.
The state of the universe around us offers far more support to the hypothesis that the universe is not designed for humanity, than it does to the contrary. The universe looks exactly how we'd expect if it were not created.
I've seen it come up several times recently. For some reason it seems that many people think that the second law of thermodynamics is a major problem for our existence.