Fighting against history.
Once upon a time, I heard that message from Eben Moglen. I said back then, it's a nice idea, but history is against it.
Yes, I lament the loss of the commons, to the extent that I've always refused to sign up with facebook (or twitter). I would support what Sanger is calling for, and have said so myself before now. But I don't see a way to fight history and get there. If Sanger thinks this'll work then good for him, but I'm sceptical. And since I'm not on Facebook et al in the first place, I can't even participate.
On the other hand, my suggestion to Moglen in 2011 was that he needed to focus on mindshare, communicators, the mainstream media. Perhaps that's exactly what Sanger is doing?