The fallacy you are absokutely running with here is "false equivalence." Yes the Democrat party is slimy self-serving punters. But they're not nearly as good at it as the R's. Even acceptingthere isn't a difference in kind (I happen to think there is) but surely you would admit there is a difference in degree.
I go to ARCO pretty much daily and it rarely has the volume on when the pump starts. They also seem to be more about 'news' than advertising though I hardly ever pay attention to the thing since I can't hear it. I do get 'the word of the day' a lot (that I promptly forget) which I guess is educating the motoring public.
They basically hired away Carnegie Mellon's entire SDC research team.