What are the 2800's really like?

From using the HDR for astral time travel I have seen the future. By the 2600's humans are living in a large underground city, whereas the surface is a green park. In contrast to the movie WALL-E where the surface is littered with waste and people live in floating cruise ships in outer space. This love story of a garbage collecting robot (WALL-E) and a probe droid (eve) AKA the floating egg thing, makes little sense. The overweight infantile humans of WALL-E with their floating levitating recliner hover chairs eating food by drinking from a cup do not exist the days to come.