Why is it dumb that your characters initial choice of career (what should help define them) has an ability that makes the choice more meaningful?
You worked at McDonalds in high school, sorry, you can't become a good doctor, your signature ability will always be the patty flip.
It is a remarkably stupid mechanic. As I pointed out. Someone with 400 points in explorer can't take it but someone with 40 can. Stupid. Add on top that you can't switch careers, Luke will ALWAYS be a moisture farmer, he can NEVER be a top Jedi, sorry kid, you didn't go t the Jedi Academy when you were young.
http://i3.kym-cdn.com/photos/images/original/000/397/625/be7.jpg