

566. Matthew Syed - The History of Cousin Marriage & How AI Will Kill Us
Aug 25, 2025
Matthew Syed, a bestselling author and former Olympian, dives into provocative discussions about cousin marriage and its historical implications. He argues that a centuries-old ban on cousin marriages forced societal integration, shaping modern Britain. Syed critiques current cultural practices, advocates for evaluating their impact on societal progress, and warns of AI's existential threats. He discusses how immigration policies reflect cultural and religious complexities, shedding light on contemporary issues with personal anecdotes and historical insights.
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Cousin-Marriage Ban Shaped Nations
- A 6th-century ban on cousin marriage forced people to marry outside their tribes and helped dissolve clan-based loyalties.
- Matthew Syed argues this cultural shift seeded wider individualism and national identity that enabled England's rise.
Wisdom Lags Behind Scientific Growth
- Rapid scientific and technological change creates existential risks we scarcely discuss.
- Syed warns that we are 'drowning in information, but starving for wisdom' to manage those risks.
Individualism Enabled Modern Institutions
- Individualism and emerging national identity co-evolved with institutions like rule of law to create modern prosperity.
- Syed links family structure changes to patience, lower interest rates, and the capacity for compound growth.