I'm not overly concerned with 16 year olds. But the tools for protecting younger children suck. A consistent account setting and header would do a lot to improve parental controls.

> What you can do is allow the government and private companies to track everyone, everywhere, all the time. And you can create more gatekeepers that hold personal identity data, misuse it, and leak it.

This is already happening. A central setting would improve privacy over the way things are right now.