2) Don't you accept the fact that people change over time, learn? You are quoting 2011, heavens. If you haven't changed that much in 2 years, then consider changing THAT first.
3) Why would you really want to know someone's identity? Huh? You want to control them better? Is that what you want, control?
4) If you really want to know someone's identity, go where they hang out, and listen to them. That is what I do. Until you do that, YOU are suspect. After you do that, you won't need to know their "identity".
If hundreds or thousnads of BTC are flowing through a site every day. I think its only reasonable the owners identity is know