Poor Charlie's Almanack: The Essential Wit and Wisdom of Charles T. Munger · chapter 2 · id poor-charlies-almanack-c2-07-munger-argues-that-man-with-a-

“Munger argues that 'man with a hammer syndrome' -- using a single tool for every problem -- is a major cause of professional failure, particularly in academia where disciplines remain siloed.”

holdsconfidence: high✓ ZHP-verified + red-teamed

Receipts

Bilalic, McLeod & Gobet, 'The Mechanism of the Pernicious Einstellung Effect,' Cognition (2008)FLAGGED: DOI not in registry

Even expert chess players fail to find better solutions when a familiar but suboptimal solution is available.

Epstein, 'Range: Why Generalists Triumph in a Specialized World' (2019)source alive

In wicked learning environments, breadth of experience predicts better performance than depth of expertise in a single domain.

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