He is a reporter doing a tongue in cheek piece. he clearly had no intention of being taken seriously as a performer.
The folk movement should be able to take a little ribbing. It could have been worse, he could have worn a large false beard and stuck a finger in his ear,while singing an interminable ballad.
Off to whitby tomorrow,beard groomed,guitar slightly out of tune,songs of gloom and doom at the ready.
john