Controversial comment here, but I would say Vim isn't popular at all. I would say instead, Vim advocates are incredibly vocal (a bit like Vegans and Crossfitters) and won't hesitate to talk about it at all times. I've been engineering now since 2002 so approaching 20 years and sure, every office has one guy who's the "hardcore" Vim guy. Everyone else in the office uses Visual Studio or VSCode, Atom, Sublime, IntelliJ…
Did you not read TFA? ~25% of web devs in the SO 2019 survey said they used VIM as their editor. Amongst dev-ops that number is higher, around 40%. https://insights.stackoverflow.com/survey/2019#technology-_-... So your anecdotal example of "99% of people using VS or VSCode" doesn't ring true for the industry as a whole.
> Please don't comment on whether someone read an article. "Did you even read the article? It mentions that" can be shortened to "The article mentions that."