Earlier quoted context omitted.
A lot of revolutionary technologies begin as toys. In the 9th century two brothers created a machine called, "the instrument which plays by itself." It uses a rotating cylinder with "teeth" that triggers keys which were encoded to play music. One can say it's a programmable music machine. Fast forward to the 1700s and artisan engineers in France were creating similar devices that automatically played music. Toys for…
I think your story does more to reinforce the parent post's point. The chain of events you outline spans an entire millennium. Over that time, yes, a lot of technology developed, and eventually we got to computers, and there was even the movement that gives us the term Luddite. But it was still one long chain of gradual, evolutionary developments over the course of a very long expanse of time. At no point was there a…
Remember, 10 years ago smartphones were in the realm of science fiction. Now, everyone has one in their pockets.
Today we can train a computer for a week to generate a cute little christmas jingle. How many years do we need to train a human child to do the same? AGI won't happen overnight, sure, but its effects of that research will be felt continuously along the way.