That list is bullshit. How does anyone know the percentage of college graduates in a given city? General idea maybe. The list has percentages listed with one decimal place which is slicing it pretty thin. The places with the highest percentage of college grads are College Towns, Gainesville, Tallahassee, Tampa, etc. The highest percentages of all are in notoriously expensive locations. There are a lot of unemployed rich people who live there but those places are way down the list like Saint Petersburg Beach at number 155.
I reckon that Palm Beach, not West Palm Beach, is the laziest place because that small community is strictly for the very wealthy and "old money" is preferable. People who live there have no need to work.