Why GitHub Copilot's React Code Looks Right But Fails

GitHub Copilot's widespread adoption in React development makes this anti-pattern increasingly common, creating subtle bugs that compound in real projects. Developers must understand that AI assistants excel at plausibility matching rather than semantic correctness, particularly with complex patterns like useEffect. Recognizing these pitfalls is critical for anyone relying on AI-generated code to maintain code quality and avoid time-consuming debugging.