I'm thinking about whether this is a good idea. He gets vi/Vim's model slightly wrong by saying it's "verb then object". While that is true for some things (i.e. text objects, like "ciw" for "change inner word"), it's not true in general. The general rule is "verb then motion". In "dw" ("delete word"), the "w" doesn't represent an object, it represents a motion (going one word forward). It's the same motion that I can use for any command, mapping, or indeed for just moving through text.

Let say I want to delete a word from somewhere in the middle of a line. I would then navigate to the line in question, then press something like "^wwwdw" (i.e. "move to the beginning of the line, move 3 words forwards, delete word"). The motion of the deletion is the same as the motion for navigation. How would that work if the motion comes first? Would I go "wwwwd"? Would that delete one word, or four? Would you use a different key for the motion and the text object?

I don't think this is a bad idea, swapping the order. The thing about showing you what's about to happen is a great point (though Visual mode in vim works pretty well for this purpose). I'm just wondering if it's better in practice. I'm certainly willing to give it a shot.