The better takeaway is that marketing is important and the technical details, don't always matter as much (https://xn--gckvb8fzb.com/a-word-on-omarchy/) as having a complete package. Similarly to how Apple often packages existing tech into an appealing package for the mass market and there's nothing wrong with that.
DHH has the gift that he's both a good technologist, but also a good marketer.
Your linked post has about nothing to do with omarchy today.
It was not my intention to say that, I'm actually following it very closely and think Omarchy is a great way to get more people on Linux. A user friendly, pre-packaged and opinionated setup will convince more people than "Install Ubuntu and then learn how to administer Linux").