Many of them will be lost when editing something in vim on a completely clean remote server or anything other... Like how to explore files without NERDTree?
You can learn basic Vim commands in 30min with vimtutor. One thing to keep in mind is this: https://danielmiessler.com/study/vim/#language and this https://www.vi-improved.org/recommendations/
I personally do not have the patience for it even after giving it a try. But in my case, my 3yo laptop might just be too slow to handle all that bloat.