>>I use loopback ADB daily to automate scheduling eye care display settings using settings since my OEM does not provide advanced scheduling routines.

>Which OEM do not provide this feature? This hardly quality as a legitimate usecase but rather as a shortcoming of the OEM.

I find this kind of attitude maddening. Although I assume they overlooked "advanced" because as soon as I read that, I knew this wasn't going to be something ever supported as a basic functionality. I get that many people will be fine with simple things but I hate being forced into them.