That horse has left the barn. Best we can hope for now is a concerted effort to ban the devices from school classrooms. It is being tried, and becoming more popular, but I remain skeptical. Kids are extremely resourceful.

Upcoming book that dives deeply into this topic: https://www.amazon.com/Anxious-Generation-Rewiring-Childhood...

I feel like it will get worse and worse until people will actually care about privacy again and then we'll take proper measures. Although Chrome disabling cookies seems like a step in the right direction