

It yet to be proven or disproven that if you put the exact same person in the exact same situation (a perfect to the molecular level) they will behave differently.
We can only test “more or less close”. So we would not know of humans are sentient based on that reasoning, we are only hard to test.
Thanks God he clarified he’s talking about Tim Cook of Apple, for a moment I thought he was speaking about my neighbor from downstairs.