Is human life only valuable because our society makes it?
"Well... First off, the question's kinda speciesist, but I guess this meme originated in the human world, so whatevs. Anyway, humans and other sapient beings are complex. They're capable of things like logic and abstract thought, but they're also capable of feeling emotions like happiness and anger, jealousy and compassion, love and hate...
"They learn from others and through experience. They can be self-centered, but they can also be motivated purely for the sake of others. As they grow and make mistakes, they take the lessons they've learned and become better for it. Their actions effect those of everyone around them for better or worse, shaping each other as time goes on. Taking even the most seemingly insignificant life out of any social equation could make so many folk's lives go differently...in many cases, even miss out on some opportunities or defining moments..."
Char shrugged as he added, "Well, you are talking to the guy who kinda betrayed and deserted your dad's army to save a village of goombas..."