“””In the coming year, Facebook will likely split the news feed.”””””
No, it will not.
Read attentively the latest announcement of Adam Mosseri, Head of News Feed:
“- Does this mean you are eliminating Page content from News Feed?
- No. This update is not the same as the recent tests (an here he gives the link to Serbia and Sri Lanka experiment) where all Page content was moved to the Explore Tab. Page posts will still appear in News Feed, though there may be fewer of them.”
https://newsroom.fb.com/news/2018/01/news-feed-fyi-bringing-people-closer-together/

(As for the rest, a great article, thanks!)

Media futurologist, sometimes media futurist, author of “Postjournalism and the death of newspapers” and “Human as media”, Canada