Similar to the sub itself, it’s now just shorthand for “describe using the first principles the expected audience should understand.”
I imagine a lot of people in the industry also fondly remember the 2010s reddit experience.
This article is definitely abusing the terminology, because I wouldn't expect even tech-knowledgeable people to know what Nostr is or does.
I always thought that the quote was with "5 year old" and that it was the reason for ELI5 :)
It’s just an irrational fear I have, in the end agents are not the HN comment section and they usually understand what I actually mean.