Why you should care that Americans still believe in God:

[Rockatansky]

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I don't want to live in a country that doesn't believe in god. Personally I'm 95% or so there is no god, but frankly I like the idea that the majority of people think there is a god. I mean honestly if the majority didn't think there was some sort of omnipotent being that could hold them accountable I think the social contract would collapse. Crime, murder and the like would be much much more widespread don't you think? If tomorrow everyone woke up and knew 100% there wasn't a god, I think you'd see a lot more underling’s murder bosses, random street arguments break out into full scale murders. I think that a belief system is what keeps a lot of things ticking, I can't imagine everyone stays civil just because of "police" consequences.

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Personally, I don't think that most people who claim to believe in God actually alter their day-to-day behavior because of their belief. Admittedly, there's no way to proove that this is this case.