> Actions like ciw or 2dd are remarkably powerful primarily because of the so called “grammar” of the vim language: verb -> adjective -> noun.

Nitpick: I don’t think the Vim grammar has adjectives; w and W are for instance different nouns, as opposed to having a separate adjective that could be attached to specify “delete BIG word”.

Perhaps you meant “preposition” instead, like the inside / around / surrounding prepositions used to construct “text objects”?

But interesting blog post :)