And that relates to the lack of timelines and focus on how long things took around 2020 BC, that is Before Claude. Building a startup isn't like having a lemonade stand as a kid where you just don't bother to do it if you forget to buy lemons or it's rainy or something more fun comes along. There's a significant compound interest element to startups that's easy to overlook. Your codebase grows over time and so does your feature set and that collection of features attracts customers in a way one thing might not. You learn as go, of course, too.
This seems particularly relevant to the GTM section, which I was particularly amused by since that's what I'm focused on right now. It's a long game. Your blog post doesn't get found by anyone in Google until you've built up your SEO mojo, your LinkedIn post isn't read without the followers you need to accumulate and your content has to get engagement for people to see it even then, you don't start off line with a million followers on X, etc.