> In other words, books are long because people aren't good readers. Sometimes, it's just that the reader just don't have the foundational concepts required to

> In other words, books are long because people aren't good readers. Sometimes, it's just that the reader just don't have the foundational concepts required to quickly grasp the ideas. And sometimes ideas are just so universal that giving a specific perspective is the important thing. Proofs are important for theorems because they explains the why and the how. And stories works great for that. I guess it can be overdone as all things, but one is allowed to skip parts one already understand.