"How many lines of vimscript have you written? No, copy-pasting config lines from someone's dotfiles doesn't count. How many times have you opened the source code of some vim plugin you are using and tried to modify what it does?"

Well, I haven't had a real reason to do so. I used to use more plugins but I slowly am paring it down to a much more minimal configuration. I'm not a huge fan of vimscript, but I don't think it's worth changing over to emacs for. Plain vi actually isn't that bad, depending on the version.

"Emacs-like shortcuts are also available wherever you have readline (e.g. many shells)."

Sure, and I appreciate the irony of learning some emacs shortcuts for readline while using vim. But that's different from editing. The only time I've seen vi not available is in scratch/alpine linux containers where busybox essentials weren't installed either.

I suppose my use case is different because I work a lot with containers, and minimal install systems in general.