To be fair, it takes some leveling up before any of that becomes relevant. I never paid attention to Bravery and Faith.
It takes forever to accumulate JP to learn skills. There's some nuances I don't think they explain. Like Bows have a range bonus the higher up you are. And while arrows fly over objects, crossbows shoot through them, so really pay attention to the success % before confirming an action.
What I wish it told you was the all Job requirements. I mean, it's easy to go online now. But in 1997, not everyone had a computer, not to mention internet. I remember using my Dad's work computer and printing off a guide using an old slow, and loud, dot matrix printer.
http://www.youtube.com/watch?v=A_vXA058EDY