Sex selection banned in the UK

The UK body in charge of fertility treatment has banned baby sex selection, because the majority of people wanted it banned.

Chris at Crooked Timber asks if it's a valid to ban the practice just because it's unpopular, and links to a writer in the Guardian who makes the same point, but in harsher terms.

Is the mob capable of making judgements on complex issues like bioethics, or is the mob too stupid to comprehend the deeper issues, and does it have a right to dictate the private medical decisions of individuals based on its whims?