In the animation, there are many scenes that human killing animals, including: snake leather for shoes; seal leather for clothing; chicken and lamb for food, bear for trophy, elephant for piano? (tusk for art piece?!) over killed for fish….etc. Moreover, radiation and oil pollution on ocean, deforestation, industry growing rapidly….all negative scenes come together and finally human killed by stronger species – Alien.
letting me think of food chain, stronger species predating the weaker one. somehow that’s also related to animal extinction. Well, of course sometimes human just kill animals for luxury (art, trophy, )
he also got other anime about animals rights