It is true that there are opportunities that could stand you in better stead down the road, but those listed by the opposition are both involve a gamble on the same odds as that entailed by a legal career. For every 10 interns in a congressional office or for a lobbying firm, perhaps one gets a job offer. By contrast you will receive a Law Degree if you spend those three years on Law School.  Furthermore, financial aid can be provided for Law School whereas the jobs listed by the opposition would require a large initial investment.