John, I think the article is excellent, and HoboSage's addition is thought-provoking and insightful.
But I do tend to fence-sit on the creativity/process issue as well, and its easy to get caught up in the syntax. I also think it scares away some tyro songwriters as they want it to come easy, and an article even of this length can seem overwhelming. I have read much, much longer articles (books even) that treat this topic as well and for me sometimes that still isn't enough! But what to do? Abbreviate a meaty, ideas-rich article down to Gen Z-sized chunks? Then it risks becoming shallow, and they will learn nothing.
I do reckon, however, that its still worth trying to boil down a continual, possibly lifelong process or set of processes and hope that the reader can glean something valuable in it, even if they don't adopt this or that process. There are many elements, hints and approaches in your article that will speak to many people and hopefully unlock their creativity. Your looking-down-the-barrel frankness will appeal to many readers, I think.
I know that it was when I came upon the idea of setting some limit or set of limits on a particular song or song cycle that my writing leapt up to a new, higher level. It is both a creative and process-based approach, and it works for me. I never would have discovered that if I didn't spend heaps of time thinking about music, experimenting, and reading articles such as this. Arrogant? No. Condescending? No. Helpful? Yes.