How Tesla robots that served drinks and sang Happy Birthday were not machines

Tesla CEO Elon Musk unveiled the latest version of its humanoid robot – Optimus at the “We, Robot” event in California last week. At the event, the robots showcased their ability to serve drinks, dance, sing birthday song and even play rock paper scissors with the attendees. But what many viewers assumed to be cutting-edge AI-powered machines turned out to be something entirely different.