You, yes you, should abandon Facebook and its ilk to the extent feasible in your life. Encourage others to do the same and provide real incentives and reasons. Be willing to pay a real price for all this. See my previous articles on the subject.
But what is to be done as a society? With our collective action and enforcement mechanisms?
[Question] Should EA collectively leave Facebook?
Inspired by Zvi’s recent post: Counterfactuals about social media (a)
His call to action: