So you could turn it off by accident, or it runs out of battery, or you stay the night somewhere on a longer road trip and it fails to reactivate in the morning because lack of internet connection. The issue still stands that there is another layer of failure that can also deny the product to paying customers for infrastructure problems that are out of their control.
Once it’s activated, it won’t turn off for any reason, except if you turn it off or it runs out of battery.
So you could turn it off by accident, or it runs out of battery, or you stay the night somewhere on a longer road trip and it fails to reactivate in the morning because lack of internet connection. The issue still stands that there is another layer of failure that can also deny the product to paying customers for infrastructure problems that are out of their control.