Sometimes in 2017 or 2018 they "updated" it and now it replies "Which room?" Followed by slowly listing out the 6 or 7 options including "everywhere."
I haven't been able to reprogram myself to say "Turn off all the lights" which works as before. Hearing that reply is the equivalent of hitting your toe on a wardrobe.
This update didn't fix this. The functionality is the same as before.
Basic stuff, but no way to fix it.
Meanwhile using a screen, you can surface numerous easily discoverable options that a human being can quickly consume and choose, and the structure of the options can convey its own information, and you have lots of other signal channels like color.
I feel like people who insist that voice controlled computing is the future have never REALLY tried to voice control their computer with a voice, which has been eminently possible since at least Windows XP, and indeed is a way that disabled users have been interacting with computers for decades.