"Resentment, arrogance, and deceit are, like,
the evil triad. But resentment is extremely useful because it only means one of two things if you're experiencing it. One is that you are being taken advantage of, and you have something to say and something to sort out. So that's one possibility. The other possibility is that you're immature and you're not shouldering your responsibility property.... So now then the question is, if you notice that you're resentful, which you should notice, and which is quite likely, if you're an agreeable and self-sacrificing person, then you have to think, okay, am I being irresponsible and immature or is too much being asked of me?... Resentment is unbelievably useful if you use it properly because it, it's a marker for when things are out of harmony.... If you're resentful, it could easily be that you're doing too much... and that emotion is a marker of that...."
Said Jordan Peterson, on his podcast —
audio and transcript —answering the question "What are some tangible ways to regulate your temper when dealing with young, especially young kids, and avoid feeling kind of resentful to them for the demands they make on your time and attention? "
The discussion at the link centers on childcare and resentment. I deliberately extracted the idea at a higher level of abstraction because it can be applied more broadly, notably to politics... especially if you add the arrogance and deceit to complete the dangerous "evil triad."
I'm sure Peterson has talked about this elsewhere. Ah, yes, I see —
via Grok — that it's Rule 11 in his "Beyond Order: 12 More Rules for Life": "Do not allow yourself to become resentful, deceitful, or arrogant":