Interesting Oil Change View

I work at a cadillac dealership and i cant count how many times we get customers that come in complaining about vehicle hesitations while driving and jerking concerns and when and when i bring it in my stall the oil is low screwing up the cam phasers and crank sensors and causing oil pressure concerns all because they past the recommended 5000 mile oil change interval. All i do perform a oil change clear codes and the concern is gone the dealership recomends these things for a reason