Totally agree with you. The down side is not only machine learning may not meet my satisfaction, it may make me annoyed. My current thermostat works pretty well

Totally agree with you. The down side is not only machine learning may not meet my satisfaction, it may make me annoyed. My current thermostat works pretty well for me if I need adjust not too frequently everyday. A scheduled plan should be good enough if we really want to improve this kind of devices. The second problem is that it's lacking of systematic design. Think about we are going to have some many "Intenet of the things" in our home or office, we have to download some man apps, each of them needs cloud services which usually not free. This is how they make money after the hardware sales. - Eggs should not be washed.