Grow up, in a world where power is a key factor of the world and personal power varies greatly between people slavery will always exist, strong people take weak people as slaves and different life forms because they are literally on a different level from each other, when someone is so weak that they’re no different to an ant then there’s no reason to treat them the same as yourself. People don’t care if they kill npcs in a video game even though they look human, they aren’t in a position to make the person playing the game feel like they’re another human
