It sort of makes you wonder what "self-organization from the bottom" is supposed to mean, if it's not some kind of control system. When entities specialize into

It sort of makes you wonder what "self-organization from the bottom" is supposed to mean, if it's not some kind of control system. When entities specialize into particular roles in a system, there's a control relationship between them even without any central authority. The cybernetic definition of control which covers self-organization in technology is the same one which includes self-organization in cells, brain structures, and even social groups.