I'm one of the people he talks about who moved from diehard Emacs use slowly to more and more VSCode use largely due to the better UI experience around debugging and integration of a lot of modern tools. His point about features not being used when they're complicated to reach despite people claiming that they'll use them is a true observation in particular. You always can set up a lot of those features in your unix-…
For C++ I never even tried it because I'm usually content with qt creator.