Exactly. At the time of that interview, he was pretty much repeating what even the person on the street was sure would come to pass.
After all, people were just getting personal computers with voice I/O. Many had been exposed to conversations with the simple ELIZA program. We'd all been exposed to I Robot, HAL, Star Trek, the Lost in Space Robot and The Hitchhiker's Guide to the Galaxy. The most popular project in Silicon Valley at the time was creating intelligent child pet robots (they all failed).
Of course, we also thought we'd be vacationing on the moon by now
Unfortunately, Jobs killed all such non-money-making R&D projects when he later came back into power at Apple. So it's been 25 years since that interview before we actually got Apple slates and voice assistants.