“-driven” doesn't imply demand, it implies the center of a given workflow. antirez is stating that this approach (which is more than just taking notes, since taking notes just means “writing stuff down” and says nothing about interruption) boosts productivity, and that it is centered around the process of stashing thoughts and observations without interrupting the present task. He also outlines why he thinks this is the case.

You are mischaracterizing the blog post by underspecifying what it says, then attacking the mischaracterization… I'm not sure that approach tracks with your claim to care about semantics. It's not just words that matter, it's also how they're collected into titles, sentences, paragraphs, documents, and how they exist in their broader context (software industry parlance, in this case).