Chris Toomey demoed using vim and focus on the edit language of vi.
He gave an interesting and simple example, deleting inner. (di") will delete words in "".
di' di( dip dit p=paragraph, t=tag html
These are really useful.
Vim is not only an editor, it's an edit language first.
Even you use VCode you can use vim mode.
He gave a ref doc Learning Vim in 2014: Vim as Language