Perhaps very many. Perhaps few. Perhaps none.

I'd like to sidestep the question, and ask, is lethal violence justified as a retaliation? But I'd like to ask that as an ethical, not as a strategic question.

Suppose the starts align and the omens are good. Imagine the assassination of Jeff Bezos and Elon Musk would be highly beneficial to all your pet political issues. Would killing them be a good thing?