Considering that the rooster actually makes a desperate, hoarse sound like “H-H-HghdtrrrrOOOOOOOOOOUUuuh-OOOOOOOOUUUUUuuh”, the very invention of “cock-a-doodle-doo” instead of some “trou-trou” already says a lot about the mandatory optimism built into social structures.

Not to mention the sheep, which is basically a demon.