Comment by ranger_danger

Agreed... I feel like this is many people in general though (and esp. online forums/social media where people like to act smart); always with the armchair experts confidently stating uneducated guesses as dogma.

And the Dunning-Kruger effect also applies to "smart" people. You don't stop when you're estimating your ability correctly; as you learn more, you gain more awareness of your ignorance and continue being conservative with your self-estimates.