Religion is still useful among the herd - that it helps their orderly conduct as nothing else could. The crude human animal is in-eradicably superstitious, and there is every biological reason why they should be. Take away his Christian god and saints, and he will worship something else.
Fools are more healthy then the so-called wise. Thy live in the moment and they know that thy are fools, so thy are not worried about what others think about them.