I interpreted the article to be calling attention to the situations when the tolerance of a chat interface is outweighed by a more efficient mode of information

I interpreted the article to be calling attention to the situations when the tolerance of a chat interface is outweighed by a more efficient mode of information discovery that might be better suited to a specific use case. In other words, if you're building a new product, don't just slap a chat interface on it because AI is good now. This is not a claim that chat is never the right option.