[sheena]

Yes, for all the emphasis about separating structure and style, I think the piece misses the bigger problem: the difficulty of changing that structure while you're writing. The author says "first one types one's text and gets its logical structure right" -- but isn't getting the logical structure right actually the crux of most writing efforts? This is quite apart from the typesetting or formatting of the end result. Most word processors fail at making restructuring simple, but it's not like plaintext fares any better, especially as your project gets longer and more complex.

That's where a tool like Scrivener or Ulysses comes in, one that gives you the ability to rearrange the constituent units of your piece (paragraphs, chapters, scenes, arguments, whatever) to shape and reshape the overarching structure and logical flow. (Besides, both Scrivener and Ulysses allow you to use markup and export to LaTeX, etc., so you're not necessarily losing out on the formatting benefits.)