Yeah, the point is to assess whatever evidence is offered - rarely - against reality, as well as against what it's supposed to be evidencing. That's the filter that I, for one, have in place.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'