It's mainly about muscle memory. If you're using Sublime, emacs, TextMate, or any other "real" text editor then you're fine.
I don't have to think about how to perform most tasks in vim. My fingers just execute what my brain wants to see happen. That doesn't mean that vim is the greatest thing ever, just that I'm used to it and it's fast enough to get the job done.
One concrete benefit to vim is that it works very well over crappy network connections, and it's installed on most every Linux system you're going to touch.
I don't have to think about how to perform most tasks in vim. My fingers just execute what my brain wants to see happen. That doesn't mean that vim is the greatest thing ever, just that I'm used to it and it's fast enough to get the job done.
One concrete benefit to vim is that it works very well over crappy network connections, and it's installed on most every Linux system you're going to touch.