@Allamanda The author is inplying that "nunchi" is the reason that South Korea has so many smart successfull kids when it is more likely to be the parental pressure to be academically successful.
Unfortunately not everyone can be smart and successful and there are many losers along the way.

@Allamanda It sounds like an emphasis on a "cold read" - which I'm pretty sure business people do - however that's sort of a strong arm tactic.
This sounds more like social skills... but taken to a critical level of expectations.

While I agree that everyone having more empathy would be fantastic - I don't think it's truly possible to know what others are thinking unless you know them really well - this sounds like an unattainable goal - that could cause a lot of misery when you're wrong.

There's got to be some open communication.

Unlike the kid's father who was all bent that the kid caused unintended harm - I would have said "Good you learned how not to ever cause that sort of harm intentionally again today".
To expect anyone to know ahead of an experience to not repeat it? Is just untenable.

Maybe someday we'll all evolve to that level of sensitivity - but in the meantime we'd be mostly guessing - and sometimes just getting it wrong.