Jian Ghomeshi, the "DJ", is a highly respected Canadian radio personality who works for the CBC (which is Canada's national station--- socialist I know my US friends) and has done countless interviews with multiple personalities...
It's either an act by Billy Bob or he's so full of himself that he needs to be put into his place. The Boxmasters definitely weren't there solely for their "space cowboy" hillbilly fusion with British sound (a poorer man's Tom Petty as correctly mentioned on Howard Stern's show)-- pointing out who Billy Bob is makes sense as as an introduction-- but the interview was about the music.