"AI" coding assistants slow developers down. But they think they've become faster. Dunning-Kruger at work :) (Clarification: Dunning-Kruger has been debunked, but the term is generic enough to be used in this case: describing how we often overestimate our capacities and stay ignorant, even when objective results show we guessed wrong)
https://metr.org/blog/2025-07-10-early-2025-ai-experienced-os-dev-study/