I suppose design is subjective, but these were more to demonstrate that there are simple ways to make a website read good, instead of "looking good". I'd figure readers of Hacker news's web page design would sympathize.
These are no JS websites and I believe the first website is a total of 7 lines of CSS to help with margins. The second one's takeaway is to avoid pure whites and blacks (which from discussions is apparently a very controversial topic) and make a little use of typography