The Best of Frasier Crane

I've noticed that in the movies or on tv anytime a police car rings it's siren to pull a car over, it apparently never occurs to the driver to actually pull over and stop until the person in the passenger seat tells him to. It's either the panicky "dammit Ron, pull over!" or the exasperated, instructional "...greeeeeeat...goddammit...okay, okay, pull over..." Until then, the driver never even slows up. Are we to think that w/o the passenger speaking up, the driver would just keep going? BAFFLED at what to do now that there's a cop car with red lights flashing and a siren blaring? Interesting. And why are people always IN movies, but ON tv? Hmm.