In 2026, the software industry is fiercely obsessed with one metric: velocity. We now have generative tools capable of scaffolding an entire Flutter CRUD application from a single sentence prompt. But for a Senior Architect, velocity without deep understanding isn't a superpower. It's just technical debt with a faster delivery date. My deep motivation for learning new stacks like migrating from Flutter to React Native and Expo without the aid of AI is incredibly simple: Intuition cannot be outsourced. To lead a high performing engineering team, you must understand the "metal." You need to know exactly why a frame drops, how memory is allocated and garbage collected in the heap, and the precise mechanics of how the bridge communicates. If an AI writes your code, you aren't actually learning the framework; you are merely learning how to review a machine's guesswork.…