clipped from: www.radical.org.uk   
Yet another common objection is: "Well, perhaps it would work on a peasant village scale, but how can you run a complex industrial society without the authority of managers?". Well, in the first place, we believe that society needs to be broken down to smaller-scale units as much as possible, so as to make them comprehensible to small groups of ordinary people. It is a noticeable fact of organisation, as well as a basic principle of anarchist theory, that small groups of people can work efficiently together, and co-ordinate with other such groups; whereas large formless groups are gullible and easily dominated. Expanding this point it is interesting to note that recently the famous 'economies of scale' that justify steel works, for example, covering many square miles, have been increasingly called into question. Beyond a certain point factories, farms, administrative systems and so on, actually get much less efficient as they get larger.