The problem of the “unknown knowns”: the things which politicians, bankers, civil servants and corporate leaders have “complete knowledge of, but which they deny the truth about”.
Richard restricts his exploration of this categorisation to the way money works.
Which is a shame, because there’ll be a significant subset of those people who know it’s the basis of modernity too – the denial of thermodynamic consequences
https://www.taxresearch.org.uk/Blog/2025/05/22/the-problem-of-the-unknown-knowns/

The problem of the unknown knowns
Donald Rumsfeld got his famous quote on knowns wrong: he ignored the unknown knowns, and they are a huge issue in modern politics. This is the audio version: This is the transcript: We've got a problem with politics. I call it the problem of the unknown knowns, and we need to talk about...