Duo had only really paid attention to finding an exit when he first showed up, and then after that, he desired only two things: food and shelter. Everything else was trivial information that didn't need that much of his attention. However, having Chika explain it like this made it easier to focus on.

"It definitely sounds weird. I'd rather take space travel. Shuttles and stuff like that. Maybe a mobile suit, if I had to. Really, anything to get off the colony."