Well wouldn't you if you had created a monster wanted to keep it private and anonymous and have people wondering after I sure as hell would want to keep my privacy until it was much bigger and mainstream. Even if was fully mainstream lot of people want to ask so many questions and in a way am sure wants to remain but again only time will tell if will announce where he is what he or she is doing and no doubt satoshi is reading among bitcointalk somewhere. Hello to you Miss or Sir