Original sentence: All participants agree that there is a good deal of planning within a laissez-faire system, but disagree over meta-planning of the sort that some believe should supplant such a system.In other words, their argument is that the forces of supply and demand, the aggregated results of millions of individual decisions, are far too complex for any planning process to master, and that an apparently chaotic unregulated economy actually manages itself better than any human manager could
Edited sentence: In other words, their argument is that the forces of supply and demand, the aggregated results of millions of individual decisions, are far too complex for any human being to muster, and that an apparently chaotic unregulated economy actually manages itself better than any human manager could