The Abstraction Layer Severed the Natural Learning Path
The Lesson That Used to Be Unavoidable Every senior engineer I respect has a similar war story. They wrote a Python script that was too slow, and someone told them to learn what a list comprehension actually does under the hood. They built a React app that re-rendered itself into a coma, and they had to crawl back into the DOM to figure out why. They shipped a service that fell over the first time real traffic hit it, and they spent a weekend learning what a connection pool is. ...