Poor Charlie's Almanack: The Essential Wit and Wisdom of Charles T. Munger · chapter 1 · id poor-charlies-almanack-c1-12-munger-warns-against-persian-m

“Munger warns against 'Persian Messenger Syndrome' -- the tendency to shoot the bearer of bad news -- arguing that organizations must actively protect channels for delivering negative information.”

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Receipts

Morrison & Milliken, 'Organizational Silence,' Academy of Management Review (2000)DOI registry: valid

Organizational silence -- the collective-level phenomenon of saying or doing very little in response to significant problems -- is driven by fear of negative feedback to the messenger.

Detert & Edmondson, 'Implicit Voice Theories,' Academy of Management Journal (2011)DOI registry: valid

Employees hold implicit theories about when speaking up is risky, leading to systematic self-censorship even in psychologically safe environments.

This claim is a stable, citable object. If you can falsify a verdict, tell us — corrections are loud here.