It looks Apple is using EU legislation to move iPhones to USB-C … and deflecting the backlash to the regulators for the move ! MHO, they could have done this before but are using the regulations to be on the users side. Good marketing move.
If the idea passes ... while displaying the secure data, the phone should lock. So if the officer requests the device, it would be locked ! Not paranoid ... I explained this to GEICO on their digital Insurance cards ...