Danny O'B@brainwane @doy oh hai! I missed this thing (I lurked a bit on the MeFI threads and enjoyed it, but didn't have much to add).
LJ was something I was thinking about at the time (I remember pestering bradfitz about what %age of LJ users posted /just to themselves/). Access controls only get you so far, you need strong social censure against cut-and-paste, screenshotting etc. LJ and Dreamwidth both have/had that, I recall. I don't know how that would have played out had they been the drivers
All GNU social JP content and data are available under the