Are Arguments from Incredulity Valid?

[T_aquaticus]

Once again, the ID argument boils down to an argument from incredulity.

In a recent American Spectator article, “Evolution — More Certain than Gravity?”, Sarah Chaffee and I made the point that to not believe in intelligent design, you have to believe that the four fundamental, unintelligent forces of physics alone (the gravitational, electromagnetic, and strong and weak nuclear forces) could have rearranged the fundamental particles of physics on our once-barren planet into encyclopedias and science texts and computers and airplanes and Apple iPhones.