The amount of drama bait this caused over the last week was something to behold.

I like to think I'm reasonably technical and I do put network and some devices restrictions on their accounts. However stuff still gets through and I don't really want to play a cat and mouse IT admin game with my kids. If I as the root user could set the field on their PC's and that would allow them to access age appropriate services without having to hand over personal data to some age verification service then i'd consider that a useful feature.

When they get the keys to root they can set it to whatever they please.