Luskin: “Evolution moulded our minds and bodies to the life of hunter-gatherers” (p. 378) — then there’s no reason to expect that we should need to evolve the ability to build cathedrals, compose symphonies, ponder the deep physics mysteries of the universe, or write entertaining (or even imaginative) books about human history. Why should these things evolve? He said it, not me: “Frankly, we don’t know.”
The oldest type of religion was probably a form of naturalism. Non-naturalist religions are better accounted for by revelation.