My only point was that anonymizing yourself online isn't going to protect you from any number of dangers. It's extremely unlikely that someone will decide to physically harm you based solely on the fact that they know your real name.
Thousands of people know your name. You're very likely listed in the phone book under your real name. Finding out your real name isn't what makes people cross the line and physically attack you.
PZ Myers, the influential biologist who I blog with at ScienceBlogs, has received dozens of threatening emails due to his pro-evolution, anti-religion rants. But no one has ever physically threatened him in person. Anyone who reads his blog knows his name, where he works, even the names of his kids.
I'm not saying you need to be as "public" about your identity as PZ, but realize that even very high profile individuals, who receive lots of threats, rarely see them followed through.
I completely agree. The new factor here is the internet, and the unique ability it creates for being both public and anonymous. I think this has created new expectations for anonymity, and ironically, a new kind of paranoia when that anonymity is threatened. For years, half a million readers of my county paper saw my name and mug running right next to my opinions. Before that, I published a very public and very controversial web site under my own name. Over those years, I received lots of angry e-mail (most of which I answered personally) including one death threat. The death threat was chilling at first, but quickly I realized that this is the price of admission for having opinions and a public face. Today, I laugh about it. In fact, thanks to that nutter, I have damn good story to tell. Maybe I should write and thank him.