The fact that there are still people who believe in the fairy tales of religion is a stark reminder that human civilization is still in its bawling, nappy-shitting infancy.
At least we're heading in the right direction. Before 1859 (Darwin) religious belief was the default position for everyone. Now in the UK around 25% of people identify as non-religious! Perhaps we could hope that before the year 3000, we will have put these infantile ideas to bed for good.