What a strange post: "If its service is inherently cognitively stressful, it can’t possibly persuade new users to sign up." How do new users know that until th

What a strange post: "If its service is inherently cognitively stressful, it can’t possibly persuade new users to sign up." How do new users know that until they use it? The problem this article discusses would seem to have nothing to do with getting new users (the problem discussed here) and everything about people stopping use of the service (churn) once they hit a tipping point of following too many people and getting tweet overload.