> That does not mean there isn't an AI system that can do X.
You are holding the burden of proof here...
One of my supervisors used to say: "Don't tell me it's impossible, tell me _you_ could not do it." A true c_nt move that ends every discussion.
No. Pointing out a flaw in an argument doesn't require proving the opposite.
No, Carmack holds the burden of proof because he started the argument. His incapable program does not prove anything.
Maybe this is formulated a bit harshly, but let us respect the logic here.