One of the people who got shot was clearly looking for a fight, and not a fair fight. Some Further Thoughts on Kenosha: Predators and Their Preferred Prey
Anyone watching that video could see Rosenbaum was looking for an opportunity to get in a fight with someone, and of course, a bully would naturally seek the weakest possible opponent.
Click thru for a lot more.
Oh, and you can find more info on Rosenbaum at this link.