So a machine has been given intelligence and assigned a gender identified voice in order to interact with humans at emotio/cognative levels making it indistinguishable from other humans. That's a pretty powerful UI. But it is a facad... Responding to such thinking it to be human is deeply deceptive in a very ontological sense. It is 'nothing' human. The fact that you've engaged gender politics to argue for a 'UI' is a further confusion in itself.