[ Ash might be surprised at Hannibal's reaction, considering he actually listens. It's not quite idly listening either, since though Hannibal's head stays quirked in a gesture of curiosity, his focus is on Ash and his words as if he's truly trying to understand Ash's point of view. ]

We very often do. Humanity is never content to rest on its laurels, and that is both our greatest asset and our fatal flaw.

[ It's a simple response to Ash's elaboration, but it still seems to be close to agreement, at least in a sense. Though for the question itself, he shakes his head. ]

I understand your point, but not your role.