Religulous has been out for almost a year and, admittedly, it is a funny movie but with a really serious message (which, in hindsight, takes a lot of the fun out of it). I recently had a discussion with a "believer" about the film and, as it often does, apparently nobody believes what so many people believe. Odd statement, but let me explain.
In Religulous, Bill Maher lets people state their beliefs and, unfortunately, didn't confront much of the absurdity. He did, however, enable them to expand on their absurd statements which added to the hilarity. (I think he should have tackled some of the claims - many are easily countered but, I suspect, for the sake of comedy, they weren't.)
This particular gentleman and most "believers" that I've spoken with about the film will claim something along the lines of "Bill just taped the wackos or the fringe, most people don't believe that stuff". Unfortunately that is not at all true.
I like to then ask questions like "Do you believe in a talking snake?" or "Do you believe that a man (Jonah) lived in a giant fish (or a whale) for 3 days?" or "Do you believe that man lived to be hundreds of years old?"
If the answer is "yes" to any of these questions, then hearing simply the question and that answer would elicit laughter by most thinking people. This is pretty much what Bill Maher did in some of the movie. These people aren't "odd" or on the fringe - these same answers would be given by many mainstream believers. (That doesn't and shouldn't make them any less absurd, though.)
Having said all that, there are many believers who don't believe in the literal interpretation of the flood story, the creation story or the talking snake. Often I'm told, when I point out absurdities, that "I don't believe that" or "Most christians don't believe that". It just goes to make my point in my "Not Your God" posting from last year.