I am such a goal-oriented person it is almost laughable. I set goals for myself on the year scale, monthly scale, week, day, and even hour scale. It is what keeps me going. I can't even imagine myself being a different way. I also agree that I find it shocking, and in someways upsetting to meet someone who doesn't know what they want to do with their life, or makes any kind of major plans at all. It is because I have always had goals for myself ever since I was a child (I mean, I knew I wanted to be a chemist when I was in 5th grade, and now I am finally making that a reality).
As far as having a purpose? Yes, I feel I do have a purpose in life, I always have felt like I have a big purpose. It really keeps me going too. Even if I don't know that the purpose is yet, I can just feel it, and I know it is there. I have been told by quite a few people ever since I was a little kid that I have a major purpose in this life, and no matter what I do I will somehow get to it. I mean I have two "the finger of god" aspects (also known as a yod) in my astrological chart.