And yet, every 3-4 posts, Facebook will start interjecting posts that are outrageous, meant to create response. If she interacts with any of those, e.g. even open it wide, or stay on it a long time, BAM, more of those posts next visits.

And the cycle continues and grinds your account down to a complete hellish nightmare where you hate your city, your local councils etc. It's all a rigged platform for creating divide and hate. It drives clicks, it drives ads, it drives agendas.