To play devil's advocate for a moment, I could see where something like this would be of some use to someone who's life is in honest to God danger from online stalkers that have the capabilities to do harm to someone in the real world. Like, an ex trying to get revenge, or whatever. Or a possible way to help protect minors until they're mature enough to understand how the internet works.
But the way it's being executed here.... is really ridiculous. I mean, getting upset because people disagree with you about an article you wrote? Could it be, that why they're getting aggressive in your face because of the tone you presented your article or side of an argument in? If you throw a verbal molotov cocktail at someone by using loaded labels, don't get pissy when the same gets thrown back in your face, tenfold. It's a two-way street, but sometimes, it becomes a one-way street and thus you need to be the better person.
There's always going to be assholes on the internet. But that's both the beautiful and ugly thing about the internet: it gives a platform and a voice to everyone. It's just like writing a letter to your community op-ed section in your local newspaper back in the day: if you put yourself and your opinions out there, for the whole world to see, then you better be prepared to handle counterarguments and the occasional heckler, and not go running screaming and crytyping about how someone hurt your feelings. If these people can't handle that, and it's clear they really can't, then they shouldn't be on the internet in the first place and/or make an effort to bring back LiveJournal-esque closed community echo chambers instead of expecting vast, open forums with wildly differing opinions and ideals to yield to them.