Times have changed, until our standard of living returns to subsistence levels as it was in the early 20th century, people will demand suitable entertainment. The dirges of battles lost, laments on personal hardships etc, have no real meaning to present generations who have only known a life of relative prosperity. Some of these young singers and musicians are entertaining but also manage to convey an understanding of times past through their passion for the music. True they are few a far between, but when they appear they should be appreciated, not condemned.
In saying that, some of the stuff being produced has moved so far from the genre, that it no longer contains any of the necessary emotional content for it to be viewed as "folk music"