Isn't the real issue about the distinction between "writing" in public and "living" in public? For many of these Twitter writers, the distinction is lost on them. But I guess this is something best left for Social Media day in a high school Life Ed. class.
If only Dave Eggers had written a novel that explored the real subtleties here, rather than a broad caricature. Maria, do us all a favor and write a better version of The Circle.