Uploaded July 2010 | Updated September 2026, 1 hour ago

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This is a video about why people disagree as much as they do.

People disagree with each other a good deal - and this has been seen as a puzzle by some.

The reason this is seen as a puzzle is to do with Aumann's agreement theorem - so I need to first explain what that is all about.

Transcript: timtyler.org/why_everything_is_controversial