He is not a hero, but he is the first crack in the floodgates. Whoever he is, he is a first sign of people losing temper. And his ongoing defence in court is a vehicle to make important problems relevant. Not everyone can stand behind shooting a CEO, but his act introduced the long-silenced topic that is a common ground with MAGA people too, and that's why corpo fuckers want to put it down.
But on the serious note, they want poor to be confused, miserable and desperate. They themselves take all the best healthcare, all shots and boosters, but they want for pandemic to happen because it would occupy ordinary people's minds and also give the government additional abilities to control everyone, while the collapsing market would once again benefit the rich and make poor even poorer. There's no downside for the likes of MTG, Trump and RFK as long as they are in power.
She is one of several characters with who the infamous 4000yo-dragon defense can actually work.