They already work. I’ve seen a first hand demonstration, and on the specific tasks they are programmed to do, they literally blow the performance of standard computers away. What they are limited by, primarily, is the variety of things that they can do. They are not general purpose machines, but rather machines that can only do very specific computations. But those computations can be done at speeds that defy in some ways our understanding of how they were done that quickly in our current dimensional time/space. That’s the other main limitation, but they will eventually make progress on that too, I would suspect.
yes it just seems like they are clinking their champagne glasses together too quickly. It’s like saying we are going to Mars. There are about 100 things we need to discover and engineer before we could ever do that. Unless you could find people who were content with one-way trips.
But yeah, all these amazing things are always around the corner. Gonna upload my mind to a robot. Cure cancer.