I think the whole point is to annoy the users. It seems to be working though since many are getting angry and unsubscribing from the subreddit.
Google Translate:
Creo que el objetivo es molestar a los usuarios. Sin embargo, parece estar funcionando, ya que muchos se están enojando y cancelando su suscripción al subreddit.
Probably already outdated too. ES6 and onward are progressing faster than textbooks getting published.