I just don't buy the premise that I will profit from spending a lot of time optimally customizing a text editor to my supposedly very unique and special needs. Seems more like a weird para-work hobby than an actual productivity hack.
Then don't. Just learn the basics. Learn how to use insert mode, edit some files, ignore anything not directly relevant. Eventually you'll come across a particular use case where opening a full blown IDE doesn't feel worth the effort, so you'll open vim. You'll learn a few shortcuts, because it would be nice to delete an entire line, or just look at the end of the file. What do you know `dd`, and `G` respectively do…
Imho there are strictly better options than vim for this nowadays for people who are not already invested in vim. Sublime text is easier for people that prefer GUIs. For CLI, Kakoune has better discoverability, better thought/more consistent commands, and actually usable colorschemes and syntax highlighting out of the box.