I understand that most of our local buses are fitted with 1 forwards,1 rear and 1 each side facing backwards on the external of the bus plus I belive at least 3 internaly and NONE of them was working ? pull my middle leg if you must !!! and I also agree that most of the drivers are of a reasonable nature (tongue in cheeck here) with one or two outstanding drivers but of coarse there are the total N**'s but as they say thats life is it not.
They'll probably claim it was the recording device that was broken rather than the cameras, which would explain no footage at all being available, if true.