@tom_geraghty I visited the Vasa museum last year, and when the tour guide was explaining how failure to listen to the test team led to the sinking, I was having horrible flashbacks to too many (thankfully non-fatal) years in software development...
Noting the benefits of psychological safety is not the same as making those benefits the justification for it. We don't ask whether freedom of speech delivers ROI. Psychological safety belongs in the same category- as a fundamental condition of dignity at work.https://psychsafety.com/the-utility-of-psychological-safety/