Because lots of people have inadequate parenting skills (last time I checked you didn't need a license for parenting) and tech companies are actively exploiting that.
We're about to own goal because... what... because suddenly everyone ran out of ideas? Because suddenly it's too much work?
But it wasn't too much work to build the torment nexus?
If they spent what they had to, they would crater their revenues, because support does not scale like code does.
One can link government benefits to it, like Austria does with the Mother-Child-Pass. You need to have it filled out by the doctors and hospitals to prove you took reasonable precautions to ensure the child's safety, only then are you eligible for government benefits.