Earlier quoted context omitted.
Look at, for instance, Arthur C Clarke. First, you have superintelligence that we recognize, reject, control. Later, a superintelligence has learned guile, self-preservation, and most of all, patience. We don't see it coming.
This is known as a "treacherous turn", a phenomenon I'm aware of. But I don't really see how that's relevant, my point is that a lack of physical grounding or pragmatism can lead to spurious conclusions about the superintelligence that humans will very likely build in the not too distant future. It will be smart, but contain no infinities.
We think we can say that from physics, but we don't know what we don't know.