Greg, I don't think "folk" music, as played by "folkies" is immune at all to the attention of theorists. English "folk" music and Cecil Sharp being the archetypal example. However, traditional musics are. Though I don't think it's luck, it has more to do with the essence of it.

Domnall, not sure really, a bit of both probably. I think it's the staccato mostly. And that it sounds like an 80s computer game.

Dick, yes, willie week and the comhaltas fleadhs are packed with musicians playing music and enjoying themselves, despite the competitions. And you'd be hard pressed to find anyone at these gatherings who thinks the best music is to be heard in the competitions. And your point is ... ?