Just because you're not following a discussion, or in agreement with its direction, doesn't mean you get to dictate the terms. At this point, you're either confused, or being deliberately obtuse.
Here we go again - car model = healer job. Speed = complexity, number of DPS skills added , for the sake of brevity /simplicity. In this case you maintain your healer job, you have a choice in each job as to your DPS skills.