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That’s a weak argument without substance. “No, you!” is not exactly a good counter.
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Yes, that’s exactly what I’m talking about, which refutes your argument in 1).
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That’s a whole different discussion. That intelligence is required to build something has nothing to do with whether the product is intelligent. The fact that you manage to mangle that up so bad is almost worrying.
No, I’m saying you’re wrong in your understanding of Wikipedia.
Also, I did not miss anything out, your self defined definition is simply so broad that it’s meaningless. Again, what is not AI following your definition? An if statement does not mimic intelligence, especially not human intelligence.