I have to say, the ADZ & UC people were efficiently disruptive from the PoV of a smuggler. They truly wrecked or taxed over half of the people trying to smuggle.
Also the random frigat's(I think that's what they are called) who camped Allentown to insta-engage and kill you before you got there were also very "effective" at stopping the event end sooner.
They put my smuggler out of action five-six times.