Should a Terminator (T-800) be Taxed Like Humans?

What Bill Gates is thinking - - 

“Right now, the human worker who does, say, $50,000 worth of work in a factory, that income is taxed and you get income tax, Social  Security tax, all those things,” he said. “If a robot comes in to do the same thing, you’d  think that we’d tax the robot at a similar level.”