What is the unsustainable addiction to over consumption and materialism called?

The correct answer is: Affluenza

Explanation:

Affluenza refers to the contagious and unhealthy social and psychological effects of the increased uncontrollable desire of wealth and successfulness.

This addiction is characterized by giving high value to the materialistic possessions, wealth, fame and physical and social appearance.

Affluenza results in a condition of consumer debt, over consumption, luxury fever, and wastage and causes anxiety, distress and other psychological disorders.