The arrogance of the opening of this piece is amazing. Essentially: "I know nothing about analyzing occupations, I do not work in or hire for any of these occup

The arrogance of the opening of this piece is amazing. Essentially: "I know nothing about analyzing occupations, I do not work in or hire for any of these occupations, now I will classify these occupations based on my subjective analysis of how much education one really needs to do these jobs."