Y'know...for some idiotic reason, the word "folk" has become a value judgment, rather than an adjevtive or noun with any real meaning. There is good folk music and bad folk music; "real" folksingers can be nice, liberal, leftish, populist types; they can just as easily be nasty, reactionary, rightist, misanthropes. Or any combination thereof.
There are a lot of nice people that are musically of negligible interest to anyone; there are some brilliant musicians, folk and otherwise, that are miserable bastards.
And then there are mudcatters who are (with maybe one exception) lovable, brilliant and folky as hell.