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Some of the best engineering best practices were established under different economics. Agents are repricing the work. Some practices protect us from fundamental problems. Others protect us from costs that don't exist anymore. Those have a half-life. bmuskalla.dev/blog/2026-09...

bmuskalla.devThe half-life of engineering best practices · Benjamin MuskallaAI agents aren't just changing how fast we write software. They're changing the economics behind decades of engineering wisdom.

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The half-life framing is a useful guard against deleting a practice just because tooling got cheaper. Keep the rule that protects correctness; remeasure the rule whose only job was saving human keystrokes.