Celebrities are famous for being famous. The image is manufactured by public relations, advertising, promotion. Value of Elvis estate much greater now than when he died. Same for Jimi Hendrix, Janis Joplin. Fantasy vs. reality.
Media are product of the society.
Modern life takes away the natural sources of satisfaction and sells you back artificial substitutes at inflated prices. Huge numbers of people in small space. Profit heads the list. Difference between profit and maximum profit. American media operate as profit-centered businesses.