https://www.youtube.com/watch?v=Kur94OyXf3U
https://about.fb.com/regulations/
Which then links to this page:
https://about.fb.com/news/2019/03/four-ideas-regulate-intern...
Basically, what I gathered is that they want to create a high barrier to entry for their potential competitors, as one would expect. There is nothing useful to people in those regulations.
https://www.youtube.com/watch?v=Kur94OyXf3U