I've played with the idea of writing a science fiction story about "hunters" who gain money and fame by tracking down certain board members and CEOs, and their descendants, and delivering some measure of retribution to them for the world they are creating.
I own an oil company. A couple of them, in fact plus some gas businesses and possibly even a coal mine or two, I don't know. You see, I've got a couple of retirement pension funds and they invest in fossil energy companies because they are profitable and provide a decent return on the money I squirreled away into my pension funds over my working life. Okay, I only own a fraction of each company but I do have an interest in them.
The executives running fossil energy companies are not the owners of those companies, the big institutional shareholders are, pension funds and investment vehicles and the like. If your "hunters" went around killing pension-fund beneficiaries like Granny and Grampaw then maybe they'd do some good for climate change in your simplistic eliminationist worldview, but it's usually easier to find someone else to label as bad and kill them to fix the problem regardless of how the real world works.