These were first popularized more than 200 years ago, in the American Colonies. They were also exposed as frauds-by none other than Benjamin Franklin. Today's doctors certainly don't understand everything. But people have been dying because Naturalists told them to shun vaccinations, and other effective, modern treatments. Humanists tend to go for dry, intellectual constructions.
Naturalists are more openly emotional.
They see nature as flowing with invisible, mystic forces. In this, the Divine Principle agrees with them-to a certain extent. Naturalists are as proud in their way as their rivals. They believe they can harness the invisible forces of Nature to do their own bidding, however they see fit. While it has its own version of the Golden Rule, pagan Gaia worship is definitely a pre-Old Testament religion.