Phone alert annoyances?
In your view, how many false, unnecessary auto-calls from iOS to emergency are acceptable per year nationally, 50? 1000? 10000?
It's common to exit your car instinctively after an accident, then go back for phone. Many people keep their phones in their bag while driving.
After the initial call-triggering event, the hazard may not be over. You may need to move your car off the road, or any number of other safety-related post-accident actions.
There are more important things to take care of in the 20 seconds following an accident than tending to your phone apps.
What next? "child coughing detected, please take your medicine in 10,9,8...".