Look I get it, I'll probably be in VPN too sometimes. But you kind of delivered my message: you hate it, you don't seem to think a LOT of parents will want it.
Clean feed DNS is only so useful.
I'm guessing you also don't like MyGov ID either. Or Hawk's Australia card. Personally I like one stop shop for my tax and medicals and centrelink.
So what abuse specifically are you referring to in "this power" and abuse? Police access? ASIO access?