Hello Emilie and Welcome!
Perhaps it would have been in the author’s best interest to spend some time here exploring and digging through some of the pertinent posts, past and present. They would have served to provide him more insight and a better understanding of the Chatbot community instead of making those blanket statements like he did.
“Chatbots built without artificial intelligence become extremely limited in regards to dialogues.”
I think we have quite a few members of this forum who might disagree with that statement.
An equally applicable title to his article could also have been, What do you think Chatbots can do to help AI?
Lastly, there is a pretty distinct difference between a Chatbot that can carry on a conversation and a Digital Assistant like Google Now or Alexa or Siri.