Prob cause you pictured it in your mind's eye. Probably Brian with grey hair, too.
Relax, everybody else. It wasn't homophobic. It was reverential and "meta" and sarcastic for those who think the stink of Lambert but are well aware of the Dr's praise.
I thought it'd generate more offense from the implication of "PASSING THE TORCH"
"Come tonight! Come see the Overbite! Come to Ogre Battle, FIGHTt!"