Looking back on the dialogue of part 3, this really is one of the best sections of the story. It's not naturalistic dialogue, but it is exactly what you'll hear in any in-person discussion between people discussing the minutiae of specific theory.
It feels like it was a long time since we had a conversation like this in the manga.
It's funny how Schmitt argues to try out every possibility when he just denied saving lives with technology. It doesn't contradict itself, more like a double standard.