1. Because Dark Knight doesnt have a base class.
2. Because they keep talking about restructure skills and balance them out.
3. Because SCH and SMN share the same base class although have different roles.
4. There only one healer class you can start with.
5. Classes are obsolete and no one use them passed Lv30.
6. This will bring more uniqueness to each job and perhaps abolish cross class skills.