Maybe it's because writers and artists get bored, or maybe they know that years down the road someone like us will come along and draw them out, but easter eggs are everywhere.
The reality is that lots of your favorite franchises had to suffer through ill-conceived false starts before rounding into shape, at which point their creators hoped you would forget all about the early efforts.
If you got where you are by couping the hell out of the last guy, so what's to stop the people from doing the same to you? Furious, insane crackdowns on irrelevant bullshit, that's what!
Thankfully, the Internet is home to a relentless army of hardcore nerds who are willing to do the work of sifting through all of pop culture to come up with the hard numbers.
These slingers of brain candy have been corrupting humanity for longer than the gun and oil industries combined, so it's not surprising that they've stashed a few bizarre secrets up their sleeves.