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…
I think they are just being posers. When we compare the efficiency of debugging (p. ex.) it is clear who can find the problem fast. Today if I'm conducting an interview and the someone tries to convince me he/she is a good programmer and just use vi/vim, I need to rethink my decision because it can compromise the whole project. I'm not saying they are not good, but having the capability of fast debugging and solving…
1. Read the logs.
2. Read the code that produced the logs.