Ask HN: Do star programmers ever hire 'ghostcoders'?

Earlier this year Verizon discovered that one of their best programmers had outsourced his own job to China. So he basically hired ghostwriters, or maybe more precice: ghostcoders. Celebrities, executives, and political leaders often hire ghostwriters to draft or edit autobiographies, magazine articles, or other written material. But do well-known programmers hire 'ghostcoders'?