Or maybe they do want to use the scientific method, but just can't quite remember what it was because junior high was really just that long ago and they're much too busy studying the Bible to have time to brush up on even the basics of that which they criticize.
Or just maybe they try not to use logical fallacies, but can't quite get a grasp on what things like circular logic, equivocation, strawmen, and the like are.
And then I see a bumper sticker like this one.

And suddenly I remember; Creationists don't care about evidence; Creationists don't care about science; Creationists don't care about logic. They're just that dense.
My mistake for trying to give them the benefit of the doubt.
Thanks to oncolgist in the livejournal atheism group for the image.