BYD is developing its own rival to Tesla's Optimus robot , and one of the Chinese automaker's top executives wants it on the showroom floor selling cars. In an  interview  with Business Insider's editor in chief, Jamie Heller, at the Cannes Lions festival, BYD executive vice president Stella Li said building  humanoid robots  for the home and service industry will be a "huge" market for the company. "My goal is to bring two or three robots to every single store. They can explain to the customer,