I think there's probably some evolutionary motivations tied up in this. If we weren't hardwired to prioritize the the life of our pre-reproductive members, well

I think there's probably some evolutionary motivations tied up in this. If we weren't hardwired to prioritize the the life of our pre-reproductive members, well...we might not be around for too long. So saving the baby is a utilitarian decision motivated by our genome to ensure its survival!