Wow, that's great to hear. I honestly had no idea if this was going to be helpful.. it kind of felt like a raw, disorganized brain dump when I was writing it.
You're too hard on yourself. This has to be one of the most informative HN articles I've ever read. You gave very specific advice rather than waving your hands around. You provided sources where others can learn what you've learned. This is a template for a "how-to" post.