I believe this article is targeted at those who are not as comfortable with writing - those people who jump on a call for anything, and want to learn to use async communication more. It sounds like the author is starting to explore that territory. Whereas people like me used to hang around IRC while doing homework and write entire blog posts while half asleep in bed. We're not the ones who simply write while not told to. We have to tell ourselves to stop writing and listen/read more.