I'm talking about why you're wrong about letting humans die out.

[ flat responds as if it were something obvious, almost confused as to why the other person doesn't seem to see what he's saying. well, it's not the first time, nor will it be the last, he thinks. nonetheless, he smiles cheerfully as he continues. ]

To let them die out would be far too inefficient. Even if this is a different world, they do have a purpose. Wouldn't it be a pity and a waste just to let them die out without accomplishing it?