> They could check the birthday of people, train an LLM to differentiate appropriate vs inappropriate comments on children's Instagram posts, and use that to help surface problematic comments. They could bring up a popup asking any child to report the conversation which would be triggered by client-side javascript based on a hashed word list of words commonly used by groomers. They could warn the kids whenever they upload images to share directly in DMs rather than publicly on their insta or fb.

All this reduces engagement.

That is the bottom line. Facebook can do more, but they won't unless something makes them, because it potentially costs billions.

In fact, they seem to lobby for this kind of thing... But only if someone makes all their competitors do that thing as well.