Our species survives through science and tradition. The abandonment of either for novelty and new rites is dangerous and irresponsible.
Somehow people are grasping hold of a fad where they embrace new practices because of the claim that it is natural. Rouseau called for a "return to nature" and I believe it was shit then.
According to the Bible we have never existed in a state of nature. Eden was deliberately made. From a more agnostic standpoint we pulled ourselves out of nature in order to survive it. In terms of birth and death nature is more often out to destroy us, kill us, than encourage us to live.