is a remarkably low achiever.
I disagree, I think he shoots low and aims high within those constraints from otherwise fearing himself as being disposable. He's somehow come under the impression that the speed of his work is how he survives, so now he's obsessed with it.
You consider the expeditious peeling of spuds to be aiming high within the constraints of working in fast food in your mid 20s? What do you do?