The diminished appeal of The Simpsons

In today's edition of Tipping Point in the head to head round contestants were asked to name the 1991 No. 1 song inspired by The Simpsons. One of them replied they had not seen The Simpson while the other replied Doing the Bartman. The answer was Do the Bartman. It curious to think The Simpsons once had a grip on pop culture conicuness.