Also, don't use online slang like "tl;dr". It took me years to figure out what that actually meant. We're not all on Reddit. In fact, the inclusion of such slang in a professional document biases me into thinking you'd probably spend a good portion of your work day on Reddit.
Better alternatives for "tl;dr" are "summary", "synopsis", "overview", etc.
You mention that you know a lot of the site and its contents sucks. You should have cleaned all this up before posting it to HN, as that would probably be the short window in time where someone with SpaceX would see it. Don't publish half-ass work.