Smart people don't buy smart home devices. My relatively poor grandparents and my slightly less poor parents had a hard working life, but none of them had to sleep in a dark cold room because the switch to turn the lights on or the heating stopped working. Ever. This problem has been solved by other people many many years ago. Last month I watched a documentary where a billionaire was showing of his multi million man…
If you've already sold your soul and have a home device with speech control, it's actually pretty easy to go and get a smart outlet device to control some lights. A single phrase without any screen or authentication and you're controlling your lights. If it breaks or gets outdated, you can always take it out in 10 seconds. Basically, if you do go for a smart home, keep it dumb and overridable.