> They're a dying breed. We're forgetting how to look under the hood and understand "why something works". Well, layering abstraction is the most effective way

> They're a dying breed. We're forgetting how to look under the hood and understand "why something works". Well, layering abstraction is the most effective way to deal with complexity. Our brain is too limited to know everything. The people, who understand "under the hood", probably won't know much about what's "above the hood", like writing a website or mobile app. Therefore, we need experts on every layers.