Yeah, there's a good chance that what we think of as humanity will be different 500 years from now. As such, trying to find ways to get today's humanity to live

Yeah, there's a good chance that what we think of as humanity will be different 500 years from now. As such, trying to find ways to get today's humanity to live on other worlds (a questionable proposition even if things remain relatively static) might be about as useful as the tower of babel would have been to space exploration.