A prime example of "If you are not with us, you're against us" mentality. This is generally the reason why non-Christians feel alienated by "the church" and thus display animosity toward it. Note that atheists and agnostics rarely attack Jews or Buddists; thus the circle of negative feelings continues due to an unrelenting and immature view of non-Christians by many Christian groups.

Pingouin also brings up an interesting point. The U.S. is rooted in Chistianity and thus geared unfairly against people who do not feel the same way that Christians do. Obviously, true justice for all is merely an ideal and not a reality or even a possibility, yet the scales are tilted almost comically towards Christian Ideals. Hopefully some day we will have a true division of church and State.