> "...one of the greatest technical achievements in the history of mankind..."

... is doing a lot of work here.

This is why expectations are exceeding reality. That said, the reality of these generative AIs is pretty damn impressive. I just wouldn't put it up against computers, cars, planes, boats, nuclear energy, medicine, chemistry or any of the other technological advances that did change the world. Not until the grounding problem is solved. After that, maybe.