I was like "That can't be right" and then I went and looked. I wonder why it feels so much shorter? Must reconsider.
Note: for your purposes, some of those skills are what are used to drive powers - capping them at game start may get you part of where you want to go
In my head I was talking more about the characters as the beginning of the Wheel of Time, say, where clearly the arc for those characters is into "adulthood". I think that is different than a perpetual "teen hero" story.
Well, if you play long enough, you start taking Adult Moves, and eventually Retire.