The idea that Colonial would shut the pipeline down if it can't measure who is getting what product (as I understand the story) sounds very much like the apocryphal story about telephone exchanges (Central Offices or Switches to some) back in the day: What is the purpose of a telephone exchange? “Why, to make telephone calls, of course!'' But that is not the answer. The true answer is: to generate billing records. If the hard disk to which billing records are written is full, should the exchange place calls?