Because then Sheriff's would have to not only become aware of their power, but then have a nose clean enough to snatch up City Attorneys and Judges. You need a prosecutor and a judge willing to challenge THE SYSTEM that we have been blind to.
The internet age and the eventual image board of 8chan freed a lot of people of biblical enslavement. The pieces on the board still are those fighting for their place or know their place and simply hoping to remain in the square they are for what is coming