The law of unintended consequences tells us that actions, especially on a large scale, may have surprisingly unexpected results. Take the eCommerce boom. The $350 billion eCommerce industry (in the United States) has transformed the retail and delivery business and given the customer greater control of the buying experience.
No pain no gain. The U.S. Postal Service has reduced spending over the past decade but it has come with a downside, notably a reduction in service. Over the past decade the Postal Service has reduced labor costs by $10 billion, improved productivity, and generally reined in spending.