think I’m more interested in a use case of more modes than night, day, home and away?
At our house we distinguish between “night“ and “asleep“. In night mode, the motion sensor in the bedroom turns on the overhead light. In asleep mode, it doesn’t turn on the overhead light, it turns on a nightlight on the wall instead.
But there are lots of variations. 
There’s a discussion thread in the forum from the past for how different people have used them. The discussion of Webcore obviously no longer applies, but the examples of the different use cases should still be interesting: