Literally never would be my answer.
People like vscode because of the time and effort that has been spent making it friendly and approachable, yet still powerful.
Those are not just things that magically happen.
They didn’t happen because it’s free.
Those are things you get from a paid product team that prioritises issues, ux, etc. and a company that pays to implement them.
It's pretty damn seamless with Vim. I code on a Mac these days, but was using Windows (w/ WSL) and Ubuntu about 50/50 before that. The same Vim (neovim) config script followed me everywhere.
This seems like a reflection of your environment. This has happened to me more than once with both Vim and Emacs (and not just at a Vim conference:-D). The environment at the time one was a C++ shop, another was a Ruby conference. For example people were amazed when they heard about how you can call vim APIs with Ruby!
The thing that surprises me most is the fact that people don’t want to learn the tools. I get the point that Emacs/Vim ecosystem is difficult to get used to because of well, multiple reasons. But it worths the time because these tools are amazing. You need to invest a couple of hours in Vim, probably some more in Emacs, but it’s just one time investment and then you have an instrument (or two) to rely on.