I know people that work there or have worked there. I have friends and family that work or have worked in fast food. I don't anybody that's worked fast food for 10+ years and is not at least a shift leader. If you do your job and put in the time you eventually move up. If you don't do your job you eventually get fired.

Its hard for me to comprehend how someone could put in 20 years and STAY at the bottom unless they have some sort of mental or physical disability.