About Remnants, I think KA Applegate made an end that "cure" a little that feeling. Now, it's true that it's totally depressing, and I had the same feeling.
About the 2 cheetahs, I always had doubt about that... I think it's more a species with some members who had a mutation and give this mutation to their children and little by little the species change. Well, it isn't the subject here...
You're right, during a war you have to choose. But you can't say, before, what you'll choose, because many things will contribute to change your choice. Each case is different and you can't say that it'll be like this, that you'll do that... You can't really know.
About the 5 children and the other child, I think it'd be instinctive. You'll try to save which one(s) you think you can save in this second. You won't really think "if I save this one, then it'll be like that...". It'll be a reflex. And everybody will have a different one.
Voodoo, I don't say that everybody have to do the right things all the time, or anything. I don't say that you can't think what you think. I'm not a good example of pure virtue
But I have to tell you that some of your posts, where you judge some people, some cultures, because of their "intelligence" made me uncomfortable. So please, just be careful not to be insulting to other members. You have the right to say what you think, as did Hitler... But be careful about the consequences...