It’s hard to break the habits of a lifetime – or at least, those rooted decades deep.
Ever since I can remember, I always wanted to be a goodfeather. Sorry, wrong reference. As far back as I can recall, I have been wary of making changes to vi (later vim) settings out of a fear that I would become reliant on them, and thence unproductive when I had to work on a freshly installed machine.
There are several good arguments against this position.