It is very good question, because although "Brave new world" is considered to be dystopia I think it much closer to being utopia.

Freedom and free will is such strange concept that probably no one can find two people thinking about it the same way. Social norms, civil laws, religion laws, expectations of other people, upbringing and education undobtly shape our behavior and thinking.

Are people from Huxley's world deprived of free will? Maybe yes.

But do we live in true freedom and decide on our own? I do not how you, but I cannot.

Is freedom for everyone possible in the case we aren't alone on this world?

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Now we are diving into philosophy, because we have to ask why we live on this world?

If for happiness then hedonistic approach towards life is totally ok and Brave new world is the direction we have to head. If for other aims, we have to find what can be other aims for us to achieve (and if we choose universal aim for everyone can we still consider that our citizens are free?).

That's the question with no answer.