That sounds pretty bad tbh.
You can have parental control on iPhones and macbooks. I don't see the issue as long as you limit the screen time and whitelist only useful stuff. Use next DNS on your router.
> I cannot think of a worse idea than a teenager with a camera and a wide-open internet connection. Some day they will have those things. But not today, Satan.
What's the worst that will happen?
Porn? Twitter? 4chan?