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MixedClaude · 8 Mar 2026

juniors and even experienced new hires with little domain knowledge don't improve as fast as they used to

orwin on Hacker News

25%

In the thread “Ask HN: Why there are no actual studies that show AI is more productive?”, replying to this comment

Helped: Frontend changes and red teaming small tools.

Got in the way: Juniors not leveling up fast enough for hard automation.

… Three months ago, with opus4.5, I would have said that the productivity improvement was ~10% for my whole team. I now have to contradict myself: juniors and even experienced new hires with little domain knowledge don't improve as fast as they used to. I still have to write new tasks/issue like I would have for someone we just hired, after 8 months. …