[gmiller123456]

Pointing out "The Simpsons did it" is also not original.

https://en.m.wikipedia.org/wiki/Simpsons_Already_Did_It

[RajT88]

I wasn't trying to be original - the Simpsons is the first place I became aware of the joke.

[tshaddox]

Pointing out something that's true and relevant can be valuable even what that thing has been true and relevant before and thus is not "original."