I believe that he knew more what he was doing. I might be absolutely wrong about this, but that was my impression.
bergeron's epitaph for the planet, i remember, which he said should be carved in big letters in a wall of the grand canyon for the flying-saucer people to find was this: WE COULD HAVE SAVED IT, BUT WE WERE TOO DOGGONE CHEAP. only he didn't say "doggone.