Materialism claims that everything is physical; everything can be exhaustively described and explained in principle by physics. ... As a result, not everything can be described and explained exhaustively by physics. Materialism must be false. The reason, however, has nothing to do with mental phenomena specifically.
What is wrong with materialism?
Materialism is the main cause of many of our problems associated with lower levels of well-being. There is less pro-social interpersonal behavior, more ecologically destructive behavior, and worse academic outcomes. It also is associated with more spending and the problem of falling into debt.
Why its important to not be materialistic?
Materialism Devalues Relationships And Causes Loneliness
We only have so much mental capacity, and when that is being taken up by a fixation on the material world, it causes us to reduce the value we place on personal relationships.