A metaphor for the perversity of social structures, for the uncontrollability of political and economic power, and the effects these have on human dignity.A metaphor for the perversity of social structures, for the uncontrollability of political and economic power, and the effects these have on human dignity.A metaphor for the perversity of social structures, for the uncontrollability of political and economic power, and the effects these have on human dignity.