In the World State, children are encouraged to engage in erotic play. In our society, they are discouraged. Why is the World State society different in this way?

Deconstruction of social norms

Explanation:

Aldous Huxley's novel Brave New World depicts society at multiple levels portraying humans at psychological and genetic inherent qualities. She explains how people are manipulated to accept the social norm genetically ascribed by their surrounding. It deconstructs the social norms and guidelines transcending into the world beyond imagination. The concept of free will has been extensively employed.  

Children in the World state are encouraged to engage in erotic play and look at each other's naked bodies. She tries to cultivate the individual passions which lead to selfishness rather than selflessness. The world society doesn't have restrictions on sexuality and individual freedom. It doesn't treat nudity as a taboo rather accepts it as an integral part of the society.

the emperor is made to look inferior next to faustus's power.