Now we're bargaining for efficiency ;-) of course it's pointless to burn energy for no output. But it is strictly better to be in a position where one can easil

Now we're bargaining for efficiency ;-) of course it's pointless to burn energy for no output. But it is strictly better to be in a position where one can easily expend 120 million joules on anything, than in one where there is a scarcity of available energy.