I think there is a bit of a misunderstanding here. Mazda CANNOT share your data (location, acceleration, speed, steering/brake input, odometer, fuel level etc.) with a .......
actually one could verify that its off
What it collected prior to that point is what one cant verify.
But every new car is/will be like this very soon. Every single EV is like this too. No choice to escape that in 5-10yrs and when they stop making parts for older cars (already happening) you see you wouldnt have a choice.
Its like the smart phone evolved in the past 20yrs