Which model will be most effective and self sustaining on the internet. Should everybody be faceless or everyone be identified? Falling between either is not really an option because everyone will attempt to go faceless.
I think it's a matter of how much an online user is willing to disclose since in reality, you could never fully disclose everything. If you also look into traditional offline behavior, people always feel entitled to a certain level of privacy and that is something that is apparently reflective of their online behavior as well.