Sure, but how much of that existing knowledge has been written down and published somewhere so it can be scrapped and fed into an AI? Ultimately existing AIs c

Sure, but how much of that existing knowledge has been written down and published somewhere so it can be scrapped and fed into an AI? Ultimately existing AIs can only help you with stuff that’s publicly documented, preferably documented multiple times. Lots of the world is either undocumented, or the documentation only exists in private repositories. Even AI can’t know what it doesn’t know.