I think we're stretching the definition of "fad" a lot here. Editor being one of the most popular for 10 years (not yet there, but will be for sure) can't be considered "fad".
>Similar to those who were all-in on Eclipse, Atom, Sublime?
But all these (except sublime) including vscode are basically the same type of IDE. Yes, implementations change, but their share of the "market" remains about the same.
The two URLs I provided don't convince you that this isn't a fad? Of all the SWEs I know, every single one who previously used Eclipse, Atom, or Sublime is now using VSCode. Some of my Emacs & Vim friends have switched, too. I can't imagine what would change this trend in the next 5-10 years. Perhaps a new editor with an integrated LLM coding assistant that's FAR ahead of all competitors? Except VSCode is currently leading there, too.
https://survey.stackoverflow.co/2023/#section-most-popular-t...
https://trends.google.com/trends/explore/TIMESERIES/16907280...