For better or worse, sometimes to change the system you need to avoid vengeance. This is why many terrible dictators are allowed to live in peace in exile.
It takes serious cognitive dissonance to be able to say something like that with a straight face.
If anyone ever said those words to me, I would do my best to never, ever, interact with them. It's prime facia a false statement, and anyone who can say it with conviction (assuming they are an adult) must necessarily be a liar.
I've done plenty of things wrong, I've broken the law countless times (which, really is nothing special, literally everyone has, but I've done it knowingly and willfully), I've inadvertently burned bridges (figuratively, of course) and offended people deeply that I never meant to.
No one is perfect, anyone who says (and appears to believe) that they are is a menace to society.