In essance it lets you put every single smart thing/sensor/connection into a single place for manipulation.

It can be to avoid getting out of the couch to turn on a switch. (In my case pausing music and dimming lights when the TV turns on)

It can also be watering your veggie garden based on a combination of soil moisture and daily forecast.

It can also be having a button linked to your car screen and your watch that opens the garage door; but only if your child isn't napping in the room directly above the garage, and someone is detected to be at or near home.

It can also be automating your toddler's evening cool down routine for bed (slowly dimming lights, turning on sound machine, playing lullabies).

It can also play "The Wiggles - Bin Night" at 18h15 the night you need to take out your garbage, then follow up with a voice to text of what bins need to go out.

It can also be a morning automation tool to start the coffee machine and play the news and music.

It can also turn up/down the thermostat when it detects you leaving work, but cross referencing if there is an activity in the calendar with a different location first to analogously estimate if you aren't coming home. Then start the thermostat after you leave that location with a time lag based on the method of transportation used to get an ETA (did I travel by car, bike, or bus? Determine then get an ETA)