Debugging 3 bugs reveals what engineers are really worth in the AI era

rseroter · x · 2026-10-15

rseroter praises copyconstruct's new essay, quoting its core line: across three bugs, the author's most valuable contributions weren't code knowledge, but picking a control, choosing a constraint, and rejecting an unvalidated hypothesis.

The post walks through three real debugging cases to argue that in the AI coding-assistant era, the scarce engineering skill is scientific method: designing experiments, constraining the search space, and rejecting plausible-but-unverified explanations that AI happily generates. A concrete case study of where engineers still add value when models write the code.

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