The author explains a bit of how things work, but no one ever said you need to read the full spec to use it. Just like it's better to know your car has an engin

The author explains a bit of how things work, but no one ever said you need to read the full spec to use it. Just like it's better to know your car has an engine, but you don't need to know the details of how the engine works to drive your car. Sharing knowledge, and the reader can decide what level of detail they want to keep.