there r many things in our life which r not materialistic and so not usefull but are more important than the things which r usefull...however a man has statrted using those things which r not usefull such as other's mind, other's emotions, all arts or exploiting our own mind and emotionsor art for materialistic use....so there is chaos in human life. In this regard u r having example of medias..... who uses human mind to sell a product. The subject is more complex than the expression i tried.
Anybody interested can share the views of his/her.