Can spirituality be misused for evil? Was human sacrifice to the fertility gods evil or simply ignorance? Do we really know if spirituality can have an effect on material issues?

Did the primitives know things that we do not? Were they more spiritually aware then we?

They scientists say that humans will gradually lose the ability to walk because of our overuse of vehicular transport. Is it possible that we already lost much of our spiritual personna, through logic, reason, education, Mudcat?