The notion that all messages, regardless of purpose or sender, arrive in the same undifferentiated inbox, and that there’s an expectation that every message deserves a (timely) response, is absurdly unproductive.
Interesting hypothesis (although again it's an assertion not an argument, couched as obvious... a rhetorical trick I don't like, and I have to wonder if Cal ran out of time to write the second half of the book with proper research.)
