With the continued marginalization of the World Wide Web and concepts like "web surfing", the next phase for the complete eradication of the open platform is its "mystification". People will be made to fear the concept of engaging online outside social media.
This is not hard to understand. As people gradually forget about a place they could publish freely, exchange files, and start dot com revolutions in their underwear, the protocol itself will be left to its die hard evangelists who buck the trend because they are not willing to give up their online liberty to Facebook.
That number of people is (relatively) small, but they will continue sharing information between themselves, some of which will be inconvenient to governments and corporations.
What better way to pinch the holdouts by pouring negative paranoid press about that other "non-Facebook" place that people are doing things. Mostly good or neutral, but to a small highlight-able number, bad things like breaking copyright laws, planning terrorist attacks, or patronizing or trafficking child porn. Those grim things are typically characteristic of the so-called "Dark Web" today but it is trivial to drop the semantics entirely, when it is time.
Imagine the headlines of 15 years from now. "Police Find 'Web Browser' on PC of Area Man Arrested For Credit Card Fraud".
This won't happen tomorrow but in the long future, it's where we're headed. The pure web does not natively monetize, track users as precisely as closed social media networks or mobile apps, and provides a loop hole for free anonymous expression to those who still take the time for it. With everything else comfortably controlled, this makes the classic WWW a threat.
If you care to stave any of this off, learn HTML, blog outside social media networks (and link to other blogs and bloggers), and refer to the "web" not "Facebook" when talking about web things.