But pretty much everyone needs to be able to, say, open a file and change a DB connection string in vi. It's like a survival skill.
I only started using emacs in the last few years, which is super weird for someone my age (48). It was orgmode that sold me, and once I was using it for that, it was easier to do other things in it, too.
So emacs being installed on a server or not is not really a reason to drop it, because you are not restricted to tools on the server.
https://www.gnu.org/software/emacs/manual/html_node/tramp/Co...
It doesn't have to be one or the other; the brain is surprisingly elastic. After a few months of training I can edit files efficiently in vim and Emacs with both querty and dvorak keymaps. That's 4 different mappings to keep in your head, but surprisingly I can do it, and I'm not particularly fast at learning new stuff.