If you trust in the feasibility of anonymous currency and anonymous internet hosting/browsing (we are close to both already via Tor and Bitcoin/blind mixes), then get ready for a world with assassination markets. It really doesn't matter what you think about it.
I see a number of advantages to de facto anarchy, Hunter Moore getting offed is only one.
You're so cyberpunk! You think the world wouldn't react to an assassination market? You think the internet wouldn't be changed to disallow such a thing? Think again.
"An armed society is a polite society." Not wisdom I personally agree with, but I'm kind of surprised to see HN dissent from the ideals of one of the patron saints of American libertarianism!
Well then libertarians should stop complaining about the militarization of our police forces, since they're clearly just fighting kindness with kindness.
That the poster is expert at trolling, that is, very accomplished as a troll OR that the poster is an expert in understanding trolls and can thus speak with authority about them.