… Solitary Praxis: Daniel Defoe, crimes (sedition), punishments (the pillory), Robinson Crusoe, Moll Flanders, and "great books".
I believe that the only legal limit placed upon free speech has to do with actually urging violence. The same holds true of freedom of assembly. One has the right to peaceably assemble, not the right to riot. I think such limits are reasonable.
As for public shaming, there are enough people doing shameful things in public on their own these days to make the idea risible.