Sad but true, it's not that many people want to dive into VIM. But I personally think that it's the best investment you can do to yourself as a developer.
Nevertheless, my list would be JS (and its infrastructure), DevOps and Blockchain stuff.
VIM is 'da bomb' for Advanced math, DevOps, and Lower level programming. She already says she has little interest in those things. So I think her choice of not learning VIM can be easily understood and is probably well founded. Oh, and when I stared VIM it was a step up from previous editors.
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