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-…
VSCode is based on Electron, a glorified hack/resource hog of Chromium than even Github largely abandoned. It maybe "great" and mildly "popular" here and there, but it's built on a foundation of mud. Build native apps that work and are performant. With enough effort and care, a frictionless experience can be made with a TUI should some "Jetbrains" come along and try to make a commercial product out of it.
It's sufficiently comical to be satire