It's a bit different that the mob was chasing Rittenhouse who was running away and not the other way around. The claim to self-defense by Rittenhouse (who had retreated, tripped and fell, and was being approached by a mob) is a bit different than members of the mob who were approaching and arguably had a duty to retreat.

Self-defense doesn't emerge when you incite someone to violence unless you yourself have clearly demonstrated that you yourself are no longer acting as a threat. I also firmly disagree that self-defense is a dangerous precedent. People should not be prosecuted solely for protecting their life.

I'll try to look up that video though, as I do enjoy some Legal Eagle.