>>20155231If people hadn't stopped faithful adherence to rites, it follows that only the rites that help or don't hinder survival would have remained after natural selection took place. Skepticism uses its own result as purpose for existing.
Now it's up to dumb empirics to filter with skepticism what is old tradition and what is old wives' tales, and the only way to go back to preskepticism is to wait enough time for everyone following incorrect rites to go extinct.
