This isn’t as weird as you think. Best thermostats do something similar: https://support.google.com/googlenest/answer/9247510?hl=en
So maybe it's not as pointless as it first seems
Calling it "AI" is a bit disingenuous, like calling the auto brightness feature "AI"
When it constantly listens for us saying stuff like "oh it's cold" and grabbing a blanket and reacting, yeah that would be AI. I definitely don't trust Google with that kind of info though!!
This isn’t as weird as you think. Best thermostats do something similar: https://support.google.com/googlenest/answer/9247510?hl=en