Clean Code is not a new idea. Single responsibility. Clear naming. Small functions. Separation of concerns. Developers have been applying these principles for decades. Books have been written. Careers have been built around them. And then GitHub Copilot joins the project and generates a 300 line component with UI, fetching, and business logic all in one file. Not because Clean Code is wrong. Because nobody told the AI it existed. What Clean Code looks like without AI rules Most experienced React developers have internalized Clean Code principles. They write small components. They separate concerns. They name things clearly. They refactor before things get messy. Then they use GitHub Copilot to move faster. And Copilot generates code that works but violates every principle they have spent years applying. A component that does too much. A function that knows too many things. State in the wrong place. Logic where it does not belong. The developer reviews it, fixes the obvious problems, and moves on.…