I'm convinced all of Kurzweil's predictions through the years can be simplified as (and originate from) "whatever least-implausible dream scenario allows a man of Ray Kurzweil's exact age and health to barely avoid the hitherto-universal icy grip of mortality."
This SMBC comic https://www.smbc-comics.com/comics/20100813.gif
I was awed by the future he promised, especially https://en.wikipedia.org/wiki/Respirocyte
Looking back, he’s great at selling a future of possibility as long as you don’t track all the errors.