I just want them to stop acting like egotistical know-it-all jerks all the time. They love to speak in black-and-white absolutes and IMO it just shows how much they really don’t know.

I think Dunning-Kruger also applies to smart people… you don’t stop when you are estimating your ability correctly. As you learn more, you gain more awareness of your ignorance and continue being conservative with your self estimates.

That’s basically his point

Cynical writing is like most medicines: the dose makes the poison. A healthy amount of cynicism can serve as an inoculation from being overly cynical.