Certain Level Of Materialism Is Necessary

Life is designed so that you always feel like you are losing... Also the human has an scarcity mentally. These two factors make sure he is materialistic.  Certain level of materialism is needed to maintain healthy spiritual life because without living a good life it is not possible to grow spiritually. If you can't grow spiritually, you can't leave the illusory reality of this realm which is the ultimate purpose of immaterialism.

None Of Your Thoughts Are Yours

The thoughts in your head are not your thoughts. They have been inculcated.