yeah you are right, that can't be it. Maybe the core point is that he considers the whole browser vendor based pki to be nonsense and refuses to partake, offeri

yeah you are right, that can't be it. Maybe the core point is that he considers the whole browser vendor based pki to be nonsense and refuses to partake, offering a self signed certificate instead. He probably memorized the key fingerprint and can verify it in person. The core point might be that those who want him to use LE barely care enough to make their browser not show warnings, they don't actually care about establishing trust.