It's possible that flat organizations are the future, but it is not true that all organizations were lord-serf in feudal times or that slave labor was the only

It's possible that flat organizations are the future, but it is not true that all organizations were lord-serf in feudal times or that slave labor was the only sort of labor in its time (, in fact slavery still exists). Please show some examples of flat firms, which are not the highly centralized sort described in the OP, I am interested in reading about them. As far as I have seen, all so-called flat organizations are actually very centralized for all important decisions.