AI Is Very Good at Implementing Bad Plans

Most discussions around AI coding focus on how well models write code. But in practice, many failures don’t come from bad code. They come from bad plans . The Problem I’ve been using Claude Code and similar tools for real development tasks — data pipelines, Cloud Run jobs, API integrations. One pattern kept showing up: The model can implement a flawed plan very convincingly. The code looks: clean complete structured “reasonable” But later, the system fails because the original plan had issues li