“AI Code = ?” asks an advertisement wrapped around a set of pillars in New York’s Penn Station. “We can help,” it answers. The ad is for CodeRabbit, a company whose software identifies and fixes bugs in code written by artificial-intelligence software. Besides the obvious irony of such a product — if AI can replace software engineers, why does AI-generated code require another AI to clean up its mistakes? — the ad conceals a more important reality: much of the work created to fix AI slop is done