Their point is why would would anyone involved in this presentation choose to dub this AI an "expert". They're addressing the overall dishonesty in labeling it as anything other than what it is. They rightfully do not want users interacting with an AI that sports a label that misinforms them about what they're talking to.

And that is a very valid concern. One of the chief issues with all of these chat bots is that they speak like humans with unearned authority. The output is presented with an air of knowledge that it simply does not have because it can't truly "know" anything.