The archaeological record of island after island tells the same sad story.
He keeps harping on this, but in truth we cannot separate humans of this time from the natural cycle of life and death and new life. Species drive other species to extinction. The rulers of the earth die, new rulers take their place. Ecosystems undergo massive transformation as organisms fight for survival.
It was only when humans became aware of how their actions were affecting the ecosystem that it can be called unnatural, because then they can knowingly manipulate the environment and “play God” over who lives and who dies. Without that knowledge, their only crime was existing and surviving, and being better at it than their contemporaries.
