The ruling class wants you to be literate enough to understand their written orders. And nothing more. True literacy is punk. True literacy is revolutionary.
If you look at this article and think “this is too long to read” you’re part of the target audience. Make the time.
Understanding their target audience but not catering to that target audience means this is an article preaching to the choir. Most people literate enough to skim through and make sense of this are already aware of how uncommon deep literacy is.