"You got a better idea?" It's not sharp or the such, but honest, curious - resigned as well, as what else can they do? Other than just leave it, which - "If it goes crazy, we'll run - but haven't Blue or Orange team been fixing up the nests? Isn't that and the kids why they've been crazy?"

Isn't the chance everything will be alright? Tidus is just guessing, truthfully, not knowing one way or another if he's anywhere close to the mark.