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Startup Post-Mortems

4 min readAug 15, 2026

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Over the past months, I started writing Startup Post-Mortems. 🔍 Not because failure is entertaining.

Because failure reveals what success stories often hide. Successful startups usually teach us what worked once, and may never work again.

Failed startups teach us what must never happen again. ⚠️

Across different industries, I kept seeing the same pattern: The biggest startup failures are rarely only technology failures. They are decision failures. 🧠

Kalder, Delve, Nikola, Phia 🚀

Different companies.

Different industries.

Different failure modes.

But the same fundamental question: Did reality keep up with the story?

Nikola showed what happens when storytelling moves far ahead of engineering. 🚛

The electric truck opportunity was real. The market was real. The technology challenge was real.

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Altan "Atabarezz" Atabarut
Altan "Atabarezz" Atabarut

Written by Altan "Atabarezz" Atabarut

1,2M+ pres, 171K+ views, Connecting big-picture strategy with real-world execution. x-SAS, x-Experian, x-GarantiBBVA, METU, YTU