If not enlightening, many find his shows at least very entertaining if they don't have thin skin. Also much of his shows, moreso than most, consists of interviews with well known athletes that he has not managed to burn bridges with. As such, his show is a good soapbox for athletes to tell the fans what's on their mind at least once in their careers.
Jim Rome: "AAAAAAAAGGGGGHHHHASDFAWPGEAWIEGPOIWAEGPOAIGEPOAWGIEPOGEWAIPGO!!!!!!" *manual buzzer*
JR: "YOU JUST GOT RUN!!! RACK 'IM ANYWAY"
For example: "Yeah, right, Barry. You're not on steroids. Your head has just tripled in size over the last four years naturally." Is that really something that listeners have never heard before?