I think that this is common to any expressive language in a business setting. Small, expressive code is easier to read/write/maintain for the person who originally created it, as it matches their brain and way of thinking. However, once you encounter an ever-changing set of people who may want to consume or modify your code, you need to give people a look into how your mind works. Narratives are often much longer than normal quick remarks in comments.

Furthermore, this source is intended for educating :-)