Interesting thread….
I can understand the original story of the baby Jesus (not the Top Gear version i must add..), but then it all runs away as a consequence of there being a lot of unexplained stuff as science wasnt up to it, so story telling kicked in.
After the start of the stories its been the biggest and best marketing exercise the world has ever seen, which is gradually being undermined as science develops. Maybe it will fizzle out and the lure of Belief transferred to some thing or someone else.
A fair amount of world unrest seems to have been orchestrated under the catch all of Religion, most recently Bush and Blair in Iraq.