His point seems to be that assistants like Siri and Alexa will be the entrypoint for LLM type interactions, which is sort of non-sensical considering most people are using chatGPT right now. I think this could have been an interesting article about how interacting with chat bots still kind of sucks but instead we got some unsubstantiated view that assistants that a lot of people have already written off are going to take over the space.