It’s worth noting that Twitter has generally been leading the way here – they were the first to start labelling tweets with warnings, which is somewhat (thank God) normalized now, though at the time it was basically unprecedented.
If it was up to Facebook, little to nothing would be done. Having physically visited Facebook’s campus and maintained eye contact with Zuck for a minute, I can assure you that Facebook cares about exactly one thing, and one thing only: Facebook.
