Imagine the police had a device that could detect everyone's thoughts so they could detect people about to commit crimes, and teleporters so they could send pol

Imagine the police had a device that could detect everyone's thoughts so they could detect people about to commit crimes, and teleporters so they could send police instantly to the scene, but currently they never abuse that power. Would you still say everything's fine and we shouldn't make them less efficient because we're worried about hypotheticals?