“Of all tyrannies, a tyranny sincerely exercised for the good of its victims may be the most oppressive. It would be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated; but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience.”
― C. S. Lewis
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EDIT: Realized I should point out - the dig at pedophile witch hunts isn't meant as a commentary on this article, it's just a generic example.
You have no such experience unless you happen to be a researcher on this very specific subject. And if you were, you wouldn't be saying stuff like
> Genuine psychopaths, on the other hand, are incurable predators.
Mass emotional behavior (arguably well-intentioned, for some definition of good we might not share) can last an extremely long time and do enormous damage- down to persecution, massacres and pogroms. And this is valid for every people, any country and any time, and any degree of damage.