Parents aren't responsible for the harms caused by social media services.
It's the operators who are responsible, and it's the operators who have the tools and resources available to reduce or mitigate those harms. So it is clearly they who should have taken action.
It's the operators who are responsible, and it's the operators who have the tools and resources available to reduce or mitigate those harms. So it is clearly they who should have taken action.
But they haven't, and so here we are.