Sure, there's little doubt that our biology shapes our experience. But in the context of this conversation, we're talking about how AI falls short of true AGI. My answer was offered in that regard. It doesn't really matter what you think about human intelligence, if you believe that non-human intelligence is every bit as valid, and there is no inherent need for any "humanness" to be intelligent.

Given that, the constant drumbeat of pointing out how AI fails to be human, misses the mark. A lot of the same people who are making such assertions, haven't really thought about how they would quickly accept alien intelligence as legitimate and full-fledged... even though it too lacks any humanity backing it.

And why are they so eager to discount the possibility of synthetic life, and its intelligence, as mere imitation? As a poor substitute for the "real thing"? When faced with their easy acceptance of alien intelligence, it suggests that there is in fact a psychological reason at the base of this position, rather than pure rational dismissal. A desire to leave the purely logical and mechanical, and imbue our humanity with an essential spirit or soul, that maybe an alien could have, but never a machine. Ultimately, it is a religious objection, not a scientific one.