AI Is Quietly Destroying Code Review — And Nobody Is Stopping It

It Started With a PR That Made Me Question Everything Six months ago, I merged a pull request that I'm still not proud of. The code looked clean. The logic seemed sound. My AI assistant had helped write it, another AI tool had reviewed it, and I — a senior developer with 5 years of experience — had approved it with a confident "LGTM 🚀". Three weeks later, it caused a data inconsistency bug that took us 40 hours to debug. The worst part? When I went back and actually read the code — really read it — I could see the problem. It was hiding in plain sight, beneath perfectly formatted, well-named, beautifully commented code that looked like it was written by a thoughtful engineer. It wasn't written by a thoughtful engineer. It was generated by one AI, rubber-stamped by another, and approved by a human who had forgotten how to be skeptical. That human was me. The New Code Review Pipeline (And Why It's Broken) Here's what "code review" looks like at a growing number of teams right now: Develo