The idea that a robot will become more aware of its environment, that telling it to 'go to the kitchen' means something - navigation and understanding of the environment is a robot problem. Those are the technological frontiers of the robotics industry.
Robotics has been around forever, and it's been the next big thing forever, and it is so exciting and compelling that it's easy to get carried away. People almost always do, and that's one of the things that has held back the industry.