That was a great line from a Seinfeld episode, and it really was true for those of us who grew up watching Bugs Bunny on Saturday mornings. I only went to a few operas growing up, but I saw lots of Bugs Bunny cartoons and Marx Brothers movies and that was my highbrow education.
When Jerry was singing the song, "oh what heights we'll hit, on with the show this is it", I hadn't heard it in maybe 30 years but I was singing along.