Earlier quoted context omitted.
I've been coding for nearly 40 years and I just don't see any correlation between editor usage and developer productivity. Being able to design and work with complex software systems is what makes a senior dev productive, not which keys they hit to copy and paste.
You should see how slow people are at doing the following: creating a new directory, creating several files, initializing git, and creating a new work tree. While learning vim/emacs and CLTs may not make you a better programmer, but they can absolutely make you better at understanding and using your tools effectively. One simple thing I like to do at every job is setup an ansible playbook for the team I'm working on.…
I don't know why you are conflating these things with the editor one uses.
*Edit: Why the downvote? Tell me what I'm missing instead.