Kurzweil’s most mystical chapter predicted a conscious universe. What actually shipped was a patent to make a language model post on your behalf after you die.
Kurzweil pointed at the wrong telescope, the wrong observatory, the wrong funder — and the right capability.
Twenty years after The Singularity Is Near, some of the rebuttal chapters aged worse than the forecasts. The microtubule critics, the input-latency critics, and the reversible-computing skeptics all have new data.
In 2005, Kurzweil used neuroscience receipts to build an upload argument. Twenty-one years later, seven of ten hold. One is off by two orders of magnitude — and the retinal-implant prediction arrived, over a pile of abandoned patients.