That's exactly the reason that newsletters are effective, though. Objectively, the format is terrible (email is like trying to design for the web in the early 0

That's exactly the reason that newsletters are effective, though. Objectively, the format is terrible (email is like trying to design for the web in the early 00's when each browser supported an overlapping subset of features), but email grants immediate, unfettered access to you, unmediated by social networks or websites where the author doesn't have total control over your experience.