to add to finkelstein,
whose comments are always fine,
Atheists would only act stupidly, if they missed the success component of religiocity , the love bombing, the tribe. the family part of it, and if they thought that by attacking only, they will help the person accept the inevitable conclusions of reality.
Leading ARS through a step by step process perhaps, inviting him for a meal, rather than changing the subject to food, the lowest form of meaningful conversation at a dinner table, and ignoring him. That way, all readers would be sped on our journey up.