a) is solvable by a system that instead of collecting IDs reveals only the single bit of information required b) parents still need to do their job

Arguably parental control should have been enough to avoid all of this but the regulation still helps parents. It’s way more difficult to ask kids not to have social media when all of their friends have it.

I would have preferred stricter social media platform regulation for everyone forcing tech companies to take responsibility for what happens on their platforms. It’s not that they are dangerously only for kids

In other words it solved the multi-agent coordination problem amongst parents, which otherwise would require the majority of them to be rational and good (a tall order).