No, because:<p>1. There are many well known people whose Hacker News user name clearly identifies them.<p>2. There are many not well known members with similar names.<p>3. Many people with cryptic user names have identifying information in their profiles.<p>4. Hacker News is not a community with a meaningful cultural distinction between old timers and new users. The green names seem mostly there to assist in orientation to community norms and spam recognition.