Dear me, but they must be quite impressive indeed, to elicit such reactions.
[Completely physically indistinguishable, maybe? Sebastian doesn't claim to understand everything about how humans work, and he certainly knows very little about the full potential of artificial intelligence, but surely no machine could ever hope to even approximate the complexity of humans. People are fascinating in their hypocrisy and selfishness in a way no other creature even comes close to.]
You disagree that there is risk of them robbing humans of their uniqueness, then?