While objectively true, there is also the matter of social lubrication. Speaking as a geek, a nerd, and a gamer, someone who collects any number of small objects and unconsidered trifles, as well as three foot tall hunks of plastic shaped into fantasy robots, I have been told any amount of times that my hobbies are childish, foolish, and should be given up, that I should ‘grow up.’ I rarely appreciate that, and I never take it kindly, though I have learned to suffer in silence. The same consideration is applied towards religious views, that any of them are absurd, but no matter how much so, telling someone directly they are a fool rarely works. Rather, it is a method to preach towards the converted. And I do mean preach advisedly. Hellfire and damnation is simply a variation on the persuasive speech, meant not only to warn the parishioner, but to make them feel a part of the elect, the saved, and all else are fools.
Those who read these books are those who already question their faith, or who are deeply interested in such matters. They are not where the damage is done. The damage is done by the demogauges, by the charlatans, by those who preach hatred and intolerance. There is where we should concentrate our forces.
Science is not the enemy of faith. Neither is thought, nor education. All of these are simply ways to examine life, and an unexamined life is not worth living. And life without faith of any kind is a bleak thing. I’ve been there.