That’s not quite correct. It says it wasn’t real time because the guy was typing his questions, not speaking them.
However the responses from the AI were all correct. Maybe just not as fast. Maybe it took a few seconds to respond, but that is acceptable at this stage.
They wanted to show you how amazing it really is, and could be if it were hooked up to speech recognition and was able to resolve quicker. Which one day will be the case.