There is no class warfare because greed, the basic ingredient of capitalism, has been eliminated.
Even Deltas and Epsilons are content to do their manual labor.
Soma, not nuclear bombs, is the weapon of choice for the World Controllers in Brave New World.
These men have realized that fear and intimidation have only limited power; after all, these tactics simply build up resentment in the minds of the oppressed.
Brave New World presents a startling view of the future which on the surface appears almost comical.
Yet humor was not the intention of Aldous Huxley when he wrote the book in the early 1930's. His idea that in centuries to come, a one-world government will rise to power, stripping people’s freedom, is not new.
This results in their inability to find the happiness known to the Savage and the rest of the pre-Ford world which lives in the Reservation.
True happiness is a consequence of freedom, not slavery.
In fact there are hosts of books dedicated to this topic.
What makes Huxley’s interpretation different is the fact that his fictional society not only lives in this totalitarian government, but embraces it like mindless robots.