This is the perfect archetype of an intellectually lazy anti-AI post. The author ends with his admission of bias, but he'd be better off starting with it, as it's clear that his reasoning flows entirely from it. AI is bad for productivity, says this single study from 2025. AI is unsustainable, says this article I found. AI will all just disappear one day... because I hope so?

Ironically, the author would have been better asking an LLM to write the article. At least it would have found better sources and developed more convincing arguments.

The study itself from late 2025 is also written to be _highly_ favorable to non-ai usage. Developers on a codebase they're already experienced with, largely using these tools for the first time. Of course they aren't faster! They've already done the hard part! They're also open-source maintainers, which, ime, means they're already a cut above the average dev.

I'd be much more curious on a study that used regular developers on brand new-to-them codebases for significant features or migrations. I'm personally encountering what I'd describe as a 200%+ productivity boost.