Everyone knows that anyone who doesn't believe a 6-day creation in Genesis and a 6000 year-old universe isn't a Christian and, in fact, is an atheist.
There's something about this country that makes every guy with a Bible think that he is an expert on Scripture.
Witness how American churches have historically splintered along minor points of theology.
More established, sober churches, don't seem to have much of a problem with many scientific theories, such as evolution. It seems like it's only the Churches of "Me and you, and I'm not so sure about you" that are up in arms against science.