Sturgeon's Law is fractal, I have also been to three and don't regret it. Your frame of mind shapes an experience as much as the actual experience.

I mean, I expect as time goes on the number of people who get the reference goes down. Things get diluted.

It slowly goes from a "Here's some very cool esoteric thing, that you can use" for people that write business systems in prolog, to "here's how to connect workaday language with workaday db in a slightly unique configuration".

edit: I looked at the videos. 10 years ago the talks were Rich Hickey and "Production prolog".

Did Douglas Hofstader ever speak at strangeloop? I know he doesn't actually like computers.