i think it was just a joke
"The dancer in the suit, he said, was the model for a new humanoid robot Tesla will produce in the near future. After the dubstep and applause had faded, the vaguest of briefing slides promised that the Tesla Bot will stand five feet, eight inches (1.7m), weigh 125 pounds (56kg), have human-level hands, and eliminate dangerous, repetitive, boring tasks"