It lists several methods by which students choose electives after the first year: 1) The "liberal arts approach" which says a student should choose what courses interests him/her and worry about specialization after graduation, 2) the "preprofessional approach" where the student concentrates on the narrow field in which wish to work, and 3) the bar exam approach whereby the student takes classes in subjects that will appear on the bar.

What it leaves out:
Now, that link is only Part I of an elective courses discussion, so maybe it goes on to discuss other strategies subsequently. I doubt that it will mention this though.

I am referring to the large amount of "gaming the system" law students do when choosing classes in order to pad GPA's or reduce amount of work. For example, at Kent an elective class must be curved only if certain amount of people are in that class. So many students will look for a class with small numbers of students when they need an elective in order to avoid the curve.

Other times the reputation of the professor and how much workload the professor assigns is a large consideration.

This sort of thing probably went on in undergrad and I can assure you it continues in law school. Obviously, you shouldn't base your whole schedule on how you can reduce work/get a better grade. But those factors warrant considerstion in combination with the other reasons for picking courses mentioned in the article.