I would say to all posters that complained about the lack of substance:
Take a Hike, Ike 😀
I like the reference, but then I'm also a fan of Paul Simon.
I would suggest to wait for the follow-up posts, because the current post is obviously a small (narrative) introduction to an intersting problem with a lot of interesting set based solutions;-)
DM Unseen AKA M. Evers