For example, how is it that we live in a world where these are supposed to be guitars...
the CCC* is supposed to be on the CCC*. It's quite sporting of them to give us
a hint.)
...but this is not?

Hey, kudos to the decorator for trying to get some more mileage out of his or her guitar-shaped cake pan, but really...Really? A beer bottle? Really?
Freya F., Jill B., & Joe C., really.
* Patooey! (Just a friendly reminder to always cleanse your palate after uttering the foul name of the dreaded cupcake-cake.)