I don't know whether Zucherberg, Bezos and the other big dogs truly didn't know what they had set loose, but this episode of Black Mirror could be a documentary. I research and write about dopamine and addiction. As I write this, as you read this, our brains are being manipulated by powerful algorithms - algorithms designed by fellow and sister human beings. At the simplest level, you and I are being dosed with a cocaine-like drug every time we go on-line or look at our phones.
And, your children and grand-children are being addicted in their schoolrooms. There was Hitler and the Nazis. Now there is some as-yet-to-be-named tech genius pushing forward into more control - and there are corporations eager to make their investors even richer with this person's work. Watch the very last scene in School Daze...and "Wake Up!"