Economist Paul Novosad: AI-edited code becomes unmanageable, so I wall it off

paulnovosad · x · 2026-10-01

Economist Paul Novosad shares his AI coding practice: letting AI edit code freely quickly turns it into a sprawling disaster impossible for humans to handle. He confines AI read/write to dedicated 'AI folders' and strictly restricts how AI touches code he ever wants to read himself. He draws a parallel to content ecosystems: isolated AI text may be fine, but it enables thousands of slop-peddlers to flood channels with well-written garbage — bad money drives out good — arguing we need a firewall between places where fully AI-generated text does and does not live.

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