But that's practically what's being done in supervised learning. If you would isolate a child in front of a CCTV screen, it also wouldn't magically learn from

But that's practically what's being done in supervised learning. If you would isolate a child in front of a CCTV screen, it also wouldn't magically learn from the images what's our definition of a tree, a bush, a bike, a motorcycle, a car. Someone would have to take it aside and explain it first. In AI you just don't take it aside, you build a new child. Supervised learning is "Hello lil CCTV model. Here's a bucket of some 'world' data, labeled in a way for you to ingest. Here, some images of T-R-E-E-S...".