“You are hierarchical. That’s the older and more entrenched characteristic. We saw it in your closest animal relatives and in your most distant ones. It’s a terrestrial characteristic. When human intelligence served it instead of guiding it, when human intelligence did not even acknowledge it as a problem, but took pride in it or did not notice it at all …” The rattling sounded again. “That was like ignoring cancer. I think your people did not realize what a dangerous thing they were doing.”