Sure it’s definitely an extreme example for the sake of argument but it’s one with potentially severe consequences (what if it happens while everyone is sleeping, or while all humans are away with only pets in the house, etc etc).

It’s happened before too: https://news.sophos.com/en-us/2016/01/18/nest-smart-thermostat-glitch-leaves-cold-feet-and-steaming-mad-customers/