Who will own these robots?
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Rich people, of course. because they will be quite expensive.
Basically rich people buy stuff for two reasons:
(a) stuff to impress others: Rolex watches, Malibu mansions, Lamborghinis. Jimmy Choo Shoes.
(b) stuff to make them richer.
Robots of this sort are of the second type. Basically. members of the same social class as people who once owned slaves.
Except owning robots is not going to be illegal.
Eventually, there will be pig and cattle-butchering robots and chicken-plucking and dismembering robots, and watching this huge machine murder, bleed and dismember dumb animals will be truly grisly to watch, so they won't put them on TV, until some clever guy videotapes it and sticks it on YouTube, and it will provoke a lot of controversy, which will die down like the photos of Abu Graib.
Eventually, we will continue to eat the robomurdered hogs, cows and chickens and will try hard to not think about it and will assuage our guilty consciounces with the though that we are not controlling these evildoing machines.
The hogs, cows and chickens will suffer for shorter periods of time, but this does not mean that we will see it this way.
Wait and see. You know that this will happen.