Update.. I tried just "order dog food" and it picked a decent choice based off my order history and then I could have said "buy this". So to be fair (with a device with a screen) it performed quite well.
There are plenty of ways to make the interface very usable and reliable. Fixating on the voice UI is absolutely the wrong way to see it. The real problem is that your "assistant" doesn't actually work for you.
There are plenty of ways to make the interface very usable and reliable. Fixating on the voice UI is absolutely the wrong way to see it. The real problem is that your "assistant" doesn't actually work for you.