Only crazy people believe in God.
Only idiots disbelieve in God.
Both opinions are equally worthless and they are uttered by those who care not for truth. As such, the Christian who says such does not care for God, Who is truth, and the non-believer does not exercise intellectual rigor.
*De facto is used here in a joking sense
** I do not make an account of other religions, but the attitude remains the same.