It's going to continue to be a problem for moderators, because people genuinely want the death of billionaires and CEOs. Every for-profit platform is going to ban calling for the deaths of CEOs, because the owners of the company don't want that kind of speech around.

This is why decentralized pseudo-platforms like the Fediverse are so important, so people can make their actual thoughts, feelings and desires known, and speak to each other about it. When Luigi capped Thompson, we all got this amazing moment where our pain hurt and rage were validated through knowing we weren't alone in our desire to kill the ruling class. That's genuinely dangerous to people like Thompson.