Advertising promotes that divine discontent which makes people strive to improve their economic status.

Related:

• Any government has in the final analysis to be justified by the quality of life which it promotes.
  Ralph Barton...
• Today, China's economic power makes U.S. lectures about human rights imprudent.
  Within a decade, it will make them irrelevant. Within...
• Advertising is the art which promotes the idea within
  your head that you have wanted all your life something...
• Continually strive to improve yourself. -- Anthony J.
  D'Angelo, The College Blue...
• Advertising is a valuable economic factor because it is the cheapest way of selling goods,
  particularly if the goods are worthless. -- Sinclair...
• Advertising may be described as the science of arresting the human intelligence long enough to get money from it.
  Stephen Butler...
• Once a job is fouled up,
  anything done to improve it only makes it worse...