Yeah, I wasn't clear how his (lack of) religion/faith related to the theme. I like personal details shared thoughtfully in conference talks, but he structured the talk as if those details mattered to the overall message.
I did find a few things adventuring into the off topic in the video. Considering all the drama lately and certain opinions that always come out with threads on this person, I was thinking "oh no, people aren't going to like this" while watching, despite broadly agreeing with the substance of the message.