Huh? We technically know how to airgap something already. You wanna be absolutely sure? Build a bunker underground, make the power and all utilities independent, allow nothing connected in there, and there you go. Do we technically know how to solve aging and cancer already?

> though the reasons are completely different

For example, but not limited to: there's no point having an AI you're not using, using it — even as an Oracle — involves some kind of interaction with the outside world in the form of what questions you ask and what actions you take in response.