Huxley's style is satiric. Huxley is parodying, or making fun of, the socially and scientifically engineered World State.
Satire has been called a conservative form, as it relies on the audience's embrace of traditional virtues to deliver its shocks. Huxley is counting on his audience being grounded in the ordinary values of the early 1930s. For that reason, some of his his "laugh out loud" humor can be lost on modern audiences, for whom the sexual promiscuity and rampant consumerism are less startling than they would have been almost a century ago.
Beyond being satiric, the novel is written in a light, breezy style meant to reflect the simple, superficial, ultra-modern society of the World State. Events zip along; people don't take time to think, and when they (rarely) do, the anxiety it produces is played to comic effect. Below, we see the vacuous Fanny, Lenina's friend, completely zone out on what Mond is saying as she thinks about consumer goods and snippets of sayings she has been...
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