That is the romanticized version. The history of man is exploration, expansion and exploitation. Destroying everything nice in its path. We destroyed other species, our own species if they looked different, and finally we have all but destroyed the planet. Rather than staying on that path maybe a better approach for humanity is compassion, kindness and helping each other out.
Having said that, I'm totally okay with billionaires spending money on such activities as it puts money back in the economy. The more the better.