His mapping of the structure of our current governmental system was eye opening to me. I liked the explanation of the prescriptive (planned/written) vs. the descriptive (actual/unwritten) constitution. I also liked the idea that organizations that aren't officially part of the government are effectively part of it without having any accountability.
https://graymirror.substack.com/p/3-descriptive-constitution...
He's certainly not for everyone, but the most common criticisms of him I see are usually pull quotes taken from Wikipedia.