"Unfortunately, there is a downside to, shall we say, overzealous competition. If one zaibatsu were to openly war on another, the aggressor might improve its market share considerably. But the chaos such major conflict would cause in the financial markets and elsewhere would mean that the potential market was reduced. As an analogy, the aggressor corporation might get a bigger slice of the pie, but the pie would be made smaller by the disruption. On an absolute level, the aggressor’s revenue would be diminished.