The Startup Podcast

‘Unlearning’ with Yaniv: Why founders need to rewrite outdated, radioactive mindsets

Apr 6, 2026
A founder’s guide to shedding outdated, harmful expertise and rebuilding beliefs from scratch. AI’s acceleration of change and why expertise half-lives are shrinking. Psychological traps like sunk costs and identity that block adaptation. Practical mental models for unlearning: belief audits, first principles, and systems thinking. Advice on scheduling time to adapt and leaning into discomfort to stay relevant.
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INSIGHT

AI Amplifies Timeless Principles

  • AI accelerates long-standing truths so old principles matter even more now.
  • Yaniv cites Morgan Housel's Same As Ever to argue AI makes timeless human behaviors clearer and more urgent.
INSIGHT

Obsolete Expertise Becomes Radioactive Waste

  • Expertise has a half-life and can flip from adaptive to harmful when conditions change.
  • Yaniv calls obsolete expertise "radioactive waste" that distorts decisions and creates vulnerability to disruption.
INSIGHT

Sunk Costs And Identity Block Unlearning

  • Two main barriers to unlearning are the sunk cost fallacy and identity threat.
  • Yaniv explains sunk costs make people cling to years of training or debt as false justification to keep outdated skills.
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