1. Sonny stood there at the end, representing that he lied to the male protagonist. Perhaps, the doctor wanted to turn all the robots into a legion, because these are his children. And that big machine is the biggest drawback, because it won't move and will be destroyed by the government at any time, so Sonny's spirit is sent to control the male protagonist to destroy the big robot, so as to achieve the purpose of controlling the legion
2. Sonny stood there at the end, which means that he lied to the male protagonist. Maybe from the moment he told the protagonist that he was standing there, he had already made all his plans. He knew that he was weak and not a big computer. So he used a painting to mentally control the male protagonist (become the savior) until the big computer was destroyed and he became a god (what the doctor told the male protagonist in the projector was: destroy, destroy all robots, including Sonny. But I didn't expect that the male protagonist who hated robots actually formed a friendship in the process of fighting side by side with robots. After destroying the big computer, he did not destroy Sonny but became friends)
3. Sonny stood there at the end because he didn't know what to do after destroying the big computer (the doctor's suggestion to the male protagonist was to destroy all robots) and Sonny completely had the human mind and ambition, so he replaced The male protagonist stood there and became the leader of the robot
Well, no matter what, Sonny has become the big boss--
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