This argument is simultaneously both a truism, and beside the point. While it is true that someone will need a JD in order to become a lawyer, individuals pursuing those degrees need to understand that they are investing a huge sum of money for an opportunity to take a difficult series of examinations, which if you pass, allows you to apply for a job in the legal field. These positions are becoming far harder to find, as each year the number of students graduating from law schools increases, while the number of available positions either shrink or remain static. One has to take account of the entire field and its condition before making a leap.