Withen

It does in the privacy settings allow you to limit it to premium users and contacts, but in my experience old people flat out refuse to alter their settings, or in general follow any security related instructions. If you can get physical access to their device and make them do it, sure.

Doesn’t prevent scammers from contacting his father

There is no end but the present, which is the summit of time itself

I would do this if it wasn’t a part of the US tech-military-intelligence system. It is nice. I certainly don’t need it though. Don’t give these people the tools to kill more efficiently. Not like I can afford to shop at Whole Paycheck anyways