There are 5,000 Janitors in the U.S. with PhDs

Over 317,000 waiters and waitresses have college degrees (over 8,000 of them have doctoral or professional degrees), along with over 80,000 bartenders, and over 18,000 parking lot attendants. All told, some 17,000,000 Americans with college degrees are doing jobs that the BLS says require less than the skill levels associated with a bachelor’s degree.

via There are 5,000 Janitors in the U.S. with PhDs – Astute News

The question is this; how many of these PhD janitors are trying to pay off huge student loans on a minimum wage?