Hear Hear Malcolm and Greg.
The article is better than many, but it still can't resist saying "there are dozens of young artists revitalising the tradition"
as if there's been nothing but stagnation for 30 years.
When new ways of playing/presenting traditional music emerge, it simply means another influence is added to the folk process. That's what folk music does. It's not a shock to the tradition; it's what we actually expect to happen.