The thing is - alive doesn't mean you havef to have autonomy. Alive, means, being conscious to have independent thinking.


[The Doctor follows Vash into the lushness of the Earth and he loves watching Vash falling in love with the environment.]

Earth's different all over. Different weather patterns bring on different environments. Desert. Snow. Mountains. Savannas. Jungles. This is a forest. All of which are beautiful. That's because simulations doesn't account for certain things like tree spores mixing with water.