Your contention that a liberal arts education doesn't contribute to someone who later in life becomes a lawyer is unfounded. It is similar to say that high scho

Your contention that a liberal arts education doesn't contribute to someone who later in life becomes a lawyer is unfounded. It is similar to say that high school doesn't contribute to higher earnings: of course it does, how would someone otherwise go to college and make those big bucks? If X is a requirement to do Y, then X certainly contributes and must be counted among the factors that lead to high salaries for people who have Y.