Dawkins' passion for not just calling out pseudo-science but explaining what the science actually is, expressing real poetry in how things are without needing to imagine what we cannot know. Quite simply it is enthralling to hear complex subjects so beautifully explained by Dawkins.
So what has happened in this country in the decade since the last census? What has caused this huge flight from religion? It's complicated, but we have to take into account that in that intervening period we have had the trauma of 9/11 and the subsequent rise in Islamic militancy.