You say this as if Atom is some sort of widely used standard. Atom and VSCode are just two players in a wide ecosystem of editors and IDEs, most of which Micros

You say this as if Atom is some sort of widely used standard. Atom and VSCode are just two players in a wide ecosystem of editors and IDEs, most of which Microsoft has no control over. And I'd bet that most people using other tools (e.g. Visual Studio, JetBrains IDEs, Vim, Emacs) have very little inclination to switch to Atom or VSCode.