-2 isn't a whole lot.
However, I think your quote is an unfair comparison. Christianity is not identically equal to physical bibles. Wiccans put a mythic overlay on the wind and the rain.
Well, there is the idea that if you'd wipe out all memory of Christianity, it'd never come back, but if you'd wipe out all memory of direct natural phenomena like wind and rain, people would rediscover them pretty quickly.
A monthly thread for posting rationality-related quotes you've seen recently (or had stored in your quotesfile for ages).