Earlier quoted context omitted.
We know how the next token is selected, but not why doing that repeatedly brings all the capabilities it does. We really don't understand how the emergent behaviours emerge.
It feels less like a word prediction algorithm and more like a world model compression algorithm. Maybe we tried to create one and accidentaly created the other?
Why? In the spiritual realm, many postulated that even the Elephant you never met is part of your life.
None of this is a coincidence.