A passenger bought an extra seat on Southwest Airlines flight 1568 from Oakland to San Diego – for his 4-foot, 75 pound robot named Bebop. Flight attendants objected – first because it was seated by the aisle, then because its lithium battery exceeded the airline’s allowable size. The robot was moved to a window seat, the battery was removed, and the flight left about an hour late . It turns out this is happening more and more, sometimes as stunts but also just to transport humanoid robots from one place to another. A Dallas-based rental robot, Stewie, flew from Las Vegas to Dallas also on Southwest. And after the incident, Southwest reportedly pushed an internal policy banning robots in the cabin and as checked baggage, though I don’t see anything in their Contract of Carriage about this. A humanoid robot just boarded a @SouthwestAir flight with its own ticket. Crews reportedly weren’t sure if it counted as a passenger or luggage. That sounds funny.…