This clearly elucidated a number of things I've tried to explain to people who are so excited about "conversations" with computers. The example I've used (with varying levels of effectiveness) was to get someone to think about driving their car by only talking to it. Not a self driving car that does the driving for you, but telling it things like: turn, accelerate, stop, slow down, speed up, put on the blinker, turn…
This even happens while walking my dog. If my wife messages me, my iPhone reads it out and, at the same time, I'm trying to cross a road, she'll get a garbled reply which is just me shouting random words at my dog to keep her under control.