Anatomical limitations in a pig's neck structure, specifically the shape of their spine and the heavy musculature around their shoulders, make it physically impossible for them to look straight up at the sky.

A closer look

Anatomical limitations in a pig's neck structure, specifically the shape of their spine and the heavy musculature around their shoulders, make it physically impossible for them to look straight up at the sky. They can only see the heavens if they manage to find a reflective pool of mud or physically roll over onto their backs like an overturned turtle. Imagine going through your entire existence entirely oblivious to stars, clouds, or birds, living completely grounded in a horizontal reality. It is honestly the ultimate metaphor for stubborn ignorance, just staring at the dirt forever and aggressively refusing to acknowledge the broader universe above. But in all fairness, considering what humans are currently doing to the planet, looking down at a puddle of slop is probably way less depressing than looking up at the collapsing ozone layer. Sometimes ignorance really is bliss, especially if you are made of bacon