If you're talking about the medic who Rittenhouse shot, the one who pointed the revolver at him, i see him and Rittenhouse as chalk and cheese. All the other vigilantes, the Proud Boys, et al are in the same boat as Rittenhouse as far as they not validly being there. The medic guy's reason for being there was totally different.
It was Plato who said, “He, O men, is the wisest, who like Socrates, knows that his wisdom is in truth worth nothing”