Yes - natural language is dependent on facial expressions, tone of voice, shared mutual history, shared culture, and so many other things that you don't have, o

Yes - natural language is dependent on facial expressions, tone of voice, shared mutual history, shared culture, and so many other things that you don't have, or even want, when interacting with a computer. People can learn a set of imperative commands for interfacing with an AI. People aren't dumb. But the execution has to be good enough to make it worthwhile.