They shouldn't have one, unless they're financing the project or running their own show—LEAST of all choosing their own song. Well placed songs in ski flicks become iconic and are sometimes every bit as memorable as the part itself.
What qualifies a 20 year old jock to edit a segment that is intended to fit into the overall context and vision of a filmmaker? On the other hand, editing their own self or season edit? Sure, have at it...what better way to represent your skiing than to edit your own footage.
Actors don't edit dramatic films, skiers shouldn't edit ski movies. The availability of editing software has given "armchair editors" the ability to be hands on. However, there's a huge gap in quality and skill between an amateur editor and a really diligent, gifted one.