The AI Productivity Illusion: Why Faster Shipping Creates Silent Code Debt

While AI-powered development tools dramatically accelerate feature delivery and improve superficial metrics like DORA scores, they're simultaneously creating a hidden crisis of code comprehension. Developers feel 20% faster but actually perform 19% slower on complex tasks, while AI-generated code reviews take 4.6x longer and senior engineers spend 30% of 'saved' time fixing AI-introduced defects. This accumulation of unmaintainable code—code that works but no one understands—reaches a critical breaking point around 18 months, making refactoring nearly impossible and system architecture increasingly fragile.