Aggressive Cruise Control

We all know the situation: you're happily making your way along a reasonably clear stretch of motorway (freeway for our friends across the pond), when suddenly your progress is impeded by a numbskull in the outside lane, poodling along and obstructing the flow of traffic instead of pulling across into the next lane like the Highway Code says. Well, with Aggressive Cruise Control (ACC), your problems could be solved. Intelligent Cruise Control is definitely baked; I don't know if it's actually available to Joe Public yet but it's being worked on as we speak (see link below). This will, as well as maintaining a steady speed, slow down according to proximity of the vehicle in front. I propose that, instead of slowing down and maintaining a safe distance, the ACC moves nearer to the (slow) car in front, and flashes it's headlights, hopefully encouraging the driver in front to move over... similarly, when you're minding your own business and some OTHER numbskull is sitting right on your bumper (fender for our friends across the pond), the ACC flashes your brake-lights, encouraging said numbskull to slow down and leave a bigger gap. I'm not sure as I go to press about what would happen if a car equipped with ACC travelling at 90 mph comes up behind another ACC-equipped car travelling at 65...