How AI Made Us Productive and Clueless: A 2025 Retrospective

In 2025 I reviewed a 200 file pull request that nobody on the team could explain, including the author. "Copilot generated most of it," he said. "It compiles and the tests pass." It merged the next day. That was the year in one sentence. Scaffolding, refactors, async conversions, test generation,…