we can see that there may be some villager who may take exception to the behavior of that government. He may decide to stand up and rebuke it and publicly lay the groundwork for a replacement government, one that performs its original mandate.
But the criminals who had planned the mass murder also had a little something to prevent just such an occurrence: They had passed laws saying that there was a new class of tribunal, with reduced evidentiary requirements. This tribunal could make terriss go away. And if anyone stood up at the campfire and starting making noise, they could just declare him a terriss and get rid of him.
So he got the bright idea that he would couch it all in a joke. He's a kookie man. And maybe he's got a tear-jerking backstory. And like all good comedians, he is possessed of a disability, either real or feigned.
And by the time everyone realizes that he's not as disabled or kookie as he makes out to be, it's too late. He's spread the thought.
...the thought that annihilates the corrupt government.
See how me do?