"in terms of impact on our lives and improving our lives and upside, this will be the greatest technology humanity has yet developed," There is a possibility t

"in terms of impact on our lives and improving our lives and upside, this will be the greatest technology humanity has yet developed," There is a possibility that what he said here will turn out to be true. But compared to writing or electric power etc? Surely we will have to wait some time before we can say that. I don't think he is a fundamentally dishonest person so it's unsettling to see him say this with such confidence because it shows that he has lost some grounding in reality.