This is not new ground for Scoble having previously been suspended on Secondlife for allowing his under 18 son to use his account. I think this issue will probably involve a lot of noise but is unlikely to lead to much. The title of Tom Lee’s article is fantastic advise though
Just Assume Any Info You Put Online Is Public
If you have any concerns about whether someone might now or in the future find something out about you that you would prefer they didn’t know, or would find embarrasing, simply don’t post it anywhere online.