It provides support for arguments by U.S. companies that they face a competitive disadvantage in the U.S. marketplace, since most non-U.S. multinationals except Japan already have lower taxes before the added bonus of an effective tax rate reduction when they establish an American subsidiary.
They would not claim the ability to set the right price for an automobile, but they somehow believe that they can establish the proper interest rate for a highly complex economy in a globally integrated environment.