True, but...
> In fact, for most of the time in human history, the future looked incredibly bleak.
No, the rate of change was slow enough that you could probably make a good-enough prediction: your life would be similar to that of your father's or grandfathers'.
The problem is that nowadays, some foolish technology-worshiping assholes have pushed the rate of change faster than almost anyone can handle: before we've started to learn to deal with the problems of one technology, another technology disrupts everything again. Society needs to operate at a human scale, and a human speed, or it will kill itself.