Incredible as it may seem, they are right.
Anonymous advocate writings were a staple of the Founding Fathers, practiced perhaps most notably by Ben Franklin and Alexander Hamilton.
The blog is no more than a 21st century version of their anonymous pamphlets.
Yes, it is incredible...but good to see them doing the correct thing for a change.
Defamation would be so hard to prove. Could you imagine how fast the FBI would be up your ass if you published an anonymous pamphlet calling for revolution?
Even the "Federalist Papers" were published anonomyoously, uner the pen name of "Publius."