Yes, it was meant to overstate the argument. Let me try and rephrase. If robots are indistinguishable from people, the ethics of people would automatically apply to the robots. So if you want to have such a sex toy I would call it prostitution on a industrial scale. the fact that the robot is a robot and not an actual human has become so extremely vague it's almost meaningless, wouldn't you say? Even some big red mark saying 'robot' on its forehead wouldn't help much. I just find it amusing to think about the ethical changes society has to go through :)
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I'm not as think as you drunk