Did they flunk out, lack motivation, decide to become a plumber instead, or did they temporarily run out of money? They might still return, and the degree might demonstrate its value somewhere down the line.
"Everybody has won, and all must have prizes!" the Dodo from Alice in Wonderland proclaimed. Except it is just not working out that way in the USA these days, if the "prize" is a "good job" in one's field of academic study.
Jobs and careers are great, and many would like for every degree to lead swiftly and directly down the highway to a career. However, I feel pretty certain that for many of us, it simply will not be that linear and neat.