You may not have given them location data to that app in particular but your devise probably has an advertising id which has tied you to a location for other services.
Unfortunately, insurance is insulated from public backlash because it’s not something that is easy to shop around for. Many people get insurance though work and have limited options to start with and a specific time window for make plan changes. When all options equally suck there isn’t an affordable place to switch your business too.
This sort of change would need to be legislated, but public opinion has very little impact on public policy.
Healthcare is broken in the US and no one with any real power to make change will do anything about it because it’s far too profitable the way it is now.
A lot of places are moving to “soft billing” where you’ll be sent a bill but if you don’t pay it’s written off; or no billing for residents. (Assuming you habe government run EMS and not private)
As an volunteer EMT I hate hearing that a pt doesn’t want to be transported because of the price. Life saving care shouldn’t be cost prohibitive, I’m glad my jurisdiction changed as this became more common.
The other thing they don’t say during cpr class is that the resuscitation rate for an out of hospital cardiac arrest is 9.1%.
One of the biggest factors in survivability is the time to initiate CPR in the time the compressions are interrupted. My EMS department has moved away from a AHA to high performance CPR. 
Found while walking next to South Fork Catoctin Creek