You also need to account for the odds that the hard drive even contained the claimed BTC, and that it remains recoverable, even if found. If you could somehow

You also need to account for the odds that the hard drive even contained the claimed BTC, and that it remains recoverable, even if found. If you could somehow guarantee that there is a hard drive with a recoverable $765M on it in that landfill, that would be a very different scenario.