Epistemology is the branch of philosophy having to do with how we know things and what it means for something to be true or false, accurate or inaccurate. (Episteme, or ἐπιστήμη, is ancient Greek for knowledge/science/understanding.)
The US is experiencing a deep epistemic breach, a split not just in what we value or want, but in who we trust, how we come to know things, and what we believe we know — what we believe exists, is true, has happened and is happening.
Pulling this part out, in case you don’t read the rest. “The Wisdom of the Crowds” has now become “The Pure, Unadulterated, Ignorance of the Crowds”