ExploderWizard
Hero
I think the system does support character growth and development. Not as much as some games, but more than earlier editions.
My scary, hard-hearted fighter who finds peace with his demons might swap out Skill Focus: Intimidate for Skill Training: Diplomacy, going from Intimidate +9, Diplomacy +1 to Intimidate +7, Diplomacy +7.
This reflects my character's personal growth.
Thats a good way to look at it. The retraining rules as written are just too jarring and scream " I wanna make a new toon for this level and try stuff out" to me. At the same time I don't like a system with "class skills" that say that a fighter will suck at diplomacy simply because he is a fighter.
If that fighter wants to start learning diplomacy then he can be allowed to start doing so without instantly granting fully trained status or reducing his skill at intimidation.
The retraining rules are simply too coarse. The way they are implemented goes hand in hand with the ME ME ME NOW NOW NOW feel of the game.