Bug Blindness: Why Most People Don't See the Bugs You Do

Dan Luu explains why he spots hundreds to thousands of bugs weekly while most people see none: they're hitting the same issues but not noticing. He argues that curing this 'bug blindness' is crucial for programmers, sharing examples from search engines to Blackboard and Discourse. He also reflects on how fans of a product or company often ignore its flaws, a blindness he claims to be less prone to.

If a product seems severely flawed when I use it, it probably is.

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2026-08-30