Now, if I put my well-founded scepticism to the side for a minute, it does neatly split the arguments about evolution versus creationism and will quite happily have members of both communities getting all frothy-mouthed. The great light in the sky that was Old Testament god was really the spaceship abandoning the humans.
Maybe we're the alien equivalent of Australians, a bunch of criminals deported to a far-off planet. Will they be back to smack us down now that we're pushing things outside of the solar system? Or have they just forgotten about us like we tried to do with our deported criminals in the past?
Putting it all together, the 10 Commandments were really the prison rules and Jesus really wasn't the messiah, just a naughty boy.