Comment by TKoL on How can we possibly know if the entire populous of the human race is not one big China brain? or at least a part of a China brain?

We don't know that. Ever heard of the "invisible hand of the economy"? This very well could be the sort of thing you might mean by "unknowingly we humans are interacting and going our ways in a way that doesn't necessarily bring about a full and complete working human brain but replicate some disjoint nervous complexes" - maybe at some level, the economy is a mind or computer...