Is chat a good UI for anything besides, well, chatting between people? Joseph Weizenbaum chose a chat interface for ELIZA because he expressly wanted to ape Rog

Is chat a good UI for anything besides, well, chatting between people? Joseph Weizenbaum chose a chat interface for ELIZA because he expressly wanted to ape Rogerian therapy. Are we doomed to imagine AI is "chatting with a computer" because no one can imagine anything else?