You've made the experience more tedious to create now. If we adhere to the article's advice, you work from the novice upwards. You create more and more freedom as you go up, you also have an easier time catching problems between levels this way.
In your proposal, we're expected to start from the top magically creating the best experience, and then jumping back down to novice users, and then scaling up back towards expert level to cover the gaps. It sounds quite jarring, and in practice it winds up leading to lackluster tutorials made by experts who overestimate everyone else's levels (see: "How to draw an owl: draw a circle, now draw the rest of the owl").
In your proposal, we're expected to start from the top magically creating the best experience, and then jumping back down to novice users, and then scaling up back towards expert level to cover the gaps. It sounds quite jarring, and in practice it winds up leading to lackluster tutorials made by experts who overestimate everyone else's levels (see: "How to draw an owl: draw a circle, now draw the rest of the owl").