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Whether they are correct or not I'm not going to weigh in on, but I will make the claim that figuring out why something happens is the best way of preventing it from happening again.
Based in the simple fact that humans will not cede power/wealth willingly once they gain it.
Ergo, violence (either state or individual) to effect a new balance.
Which isn't to legitimize violence, but is to say that stripping away a population's ability to effect change by being violent, if enough of them choose, is more dystopian than some violence.
Fix the issue: don't complain about the symptoms.