No, of course it doesn't.

[He likes the optimism and nods along with what Peter says. It's a difficult situation, really, and Wash is sure that there are a number of people who think they may as well give up looking, so it's good to see that someone so new isn't turned away by any of this information.]

I hope so, too. I think we all hope so. But I think you're right; I think we will find it. Eventually. It'll probably take some time, but it'll turn up sooner or later.