065 Hanlon’s Razor

Never attribute to malice what can be adequately explained by incompetence.

• Proposed both by Robert Hanlon and science fiction author Robert Heinlein.

• A variant of Ockham’s razor, Hanlon’s razor asserts that when bad things happen that are human-caused, it is far more likely to be the result of ignorance or bureaucracy than conspiracy or malice.

• For example, when Apple’s Siri search was unable to find abortion clinics, many claimed Apple purposefully excluded them from the search results. The more likely explanation is that Siri was incomplete or buggy.

• Keep Hanlon’s razor in mind when bad things happen. The principle does not exclude the possibility of malice—sometimes bad things are, in fact, caused by bad people—but ...

Get The Pocket Universal Principles of Design now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.