Right. Language barrier, for one, though I know some people are making progress with that. But also, they're not much smarter than toddlers. And we still don't know their real motivations.

[It's a daunting task, to think of how much they have to accomplish in so little time. Maybe the estimate is wrong. Maybe it's all nonsense, but he refuses to just throw his hands up in defeat and assume none of it matters.]