Reintegrate and normalize the tried and true tradition of challenging people to duels to the death. Or at the very least, an intellectual version - perhaps a simple game of chess?
If the challenger wins and is appropriately magnetic and charismatic, they gain the losers followers. If the streamer wins, well. The evil streamer will be challenged until they do not win, otherwise there would be no need to challenge them to begin with, yes?
To be fair in his defense, if he wishes to deflect: If these shock collar accusations end up being true, all Mr. Ham need do is wear the shock collar himself and be equivalently shocked. To show how much of a baby the dog is being. It doesn't hurt that bad.