What, if anything, is left?
Please keep in mind I'm asking about the average human, not the average HN user with a PhD in whatever.
If you're not up for a whole book, there a 1965 paper titled "Alchemy and Artificial Intelligence" available at https://www.rand.org/content/dam/rand/pubs/papers/2006/P3244... that weighs in at only 98 pages.