So much of the world still runs on fucking bullshit, just look at the justifications for the ongoing [redacted because it'll probably derail the conversation].
It was sad that Sagan died before the New Atheism movement started -- in many ways the "The Demon-Haunted World" is sort of the same book as Dawkins' "The God Delusion" but Sagan made his arguments in a more level-headed, less arrogant way and realized that religion was just part of the problem, not the root of it.