The callers to that show were a lot more knowlegeable & interesting than what 'GR gets today...which is anybody with a pulse, since beggers can't be choosers (not unlike TSW in the late-1990s vs. today). Throw in about 3 segments a night with national guests arranged by an actual, honest to God PRODUCER, and you get quality entertainment beyond just MNQB, and not just in the SB years.
That kind of programming costs money, however, which is the last thing national media conglomerates want to spend today. After all, "research" shows that people will listen to anything, so why spend more for quality...