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15 Philosophy

hanlon's razor

by Robert J. Hanlon

Core Idea

Never attribute to malice what is adequately explained by stupidity. Before assuming ill intent, consider incompetence, ignorance, or accident. Bad outcomes often have benign causes.

key principles

  • 01

    Malice is rare

    Genuinely malicious people exist but are uncommon. Most harm comes from carelessness, not intention.

  • 02

    Incompetence is common

    People make mistakes. Organizations are messy. Systems fail. This doesn't require evil actors.

  • 03

    Coordination is hard

    Conspiracies require competent coordination. Most groups can't coordinate to order lunch. Assume less coordination.

  • 04

    Preserve relationships

    Assuming malice damages trust. Assuming mistake allows for repair. This heuristic protects social bonds.

applications

Workplace
That email wasn't an attack
The terse email probably wasn't aggressive. They were probably just busy or stressed or bad at email.
Customer service
Mistakes, not schemes
The billing error isn't fraud. It's probably a system glitch or human error. Start there.
Politics
Before conspiracy
Before assuming coordinated malice, consider uncoordinated incompetence. Much more likely explanation.
Relationships
Charitable interpretation
Your partner forgetting wasn't intentional. Assume forgetfulness before assuming they don't care.
Related Models
inversion
Charlie Munger / Carl Jacobi
occam's razor
William of Ockham

The Charitable Interpretation

Hanlon’s razor is a heuristic for interpretation. When something goes wrong, we have a choice about how to explain it. Malice is one explanation, but it’s rarely the correct one.

Most bad outcomes result from mistakes, not machinations. Assuming this is both more accurate and more conducive to good relationships.

Key Quote

“Never attribute to malice that which can be adequately explained by stupidity.” — Robert J. Hanlon (paraphrased from Heinlein)