I think your video is a nice thought but it does not prove anything. Another car in the area can be explained away as extra work. A statement from a preloader that specific work was pulledg off the route before the ride would seem to carry more wieght. A supervisor should be able to demonstrate methods and
it might be cute to prevent video showing bad methods by a sup but ultimately this cases come down to working as instructed. In that context its did the driver do what the supervisor told him to do. How did the driver do under direct supervison , how did he do when alone.
I do like the creativity you guys in the north east show. Between planes flying banners and business agents taping supervisors it sounds like you guys have a regular three ring circus running up there.