It's not about being fancy. My examples are so utterly dull.
Being able to say "turn on the lights in the living room and turn off the fans in the kids' rooms" – is not a crazy use case.
Instead, I literally have to say:
- Turn on Living Room light
- wait
- turn off <son's name> bedroom fan
- wait
- turn off <daughter's name> bedroom fan
Yes, I could actually say "turn off all the fans" (I believe Siri understands that) but that's usually not what I want.
Another example, you have 3-4 timers going: Let's say I'm cooking and have an oven timer, but also have a timer for my kids to stop their device time. I may have a few going. But being able to say "cancel all the timers except the longest one" is TRIVIAL for a first year programmer to implement. But instead, it's a slog with Siri.