Questions about how this is going to be implemented and enforced from a technical and legal perspective are missing the point/benefit: this is about empowering parents and collectively changing behaviours.
"It's against the law so no you can't" isn't going to work with EVERY 14 year old. But it will work for many and hopefully that's enough.
"It's against the law so no you can't" isn't going to work with EVERY 14 year old. But it will work for many and hopefully that's enough.