He was, but he was also talking about government.* Towards the end he was very critical about the way that government and institutions (collegiate and corporate) lock away knowledge in "black boxes", inaccessible to the general public. He didn't appear to be an atheist per se but rather a skeptic who saw an open culture of science as being the best defense we have at the moment against the darkness against whose who control the information / education / etc of the people. There's been a long-standing fight within the scientific community between open access and paid journal (as well as deeper restrictions of sharing of scientific knowledge via being locked into their institutions. It was exemplified within computer science culture by the contrast of Grace Hopper's persistence of an environment of sharing code vs the corporate and internal military tendencies to "blackbox" discoveries - either for profit (corporate) or for a chance for promotion (military - essentially, a political decision to secrecy... as well as keeping the budget within their department. But yes, he was also taking a shot at religion as well I'm sure - and a culture of ignorance = control in general.