There were no demonstrators.Uh, the demonstrators were out protesting an injustice. They didn't deserve to be gunned down by a little punk who played Rambo.
Actually, they've got a pretty good case. Remember when OJ Simpson was acquitted of murder but still found liable for the deaths of Nicole and Goldman? Same situation here. Nope, you can't get over the reasonable doubt burden (after the judge pretty much sabotaged the prosecution at every turn), but the civil liability burden is a lot lower.
They don't have to prove Rittenhouse had criminal intent, they just have to prove his actions were reckless. And unlike the Criminal trial, they can throw in every decision he made leading up to it.
It was a mindless riot with no injustice to protest
The individuals who attacked him got what they deserved your narrative about them is a bald faced lie