This is one of the most bizarre cartoons I've seen in awhile, but also one of the best. Seriously, the animation in this was fantastic. Everything transitioned so freaking well. It was great to have these things going on. I couldn't tell if it was meant to be a metaphor for anything. Maybe it was how we're taken over by negative thoughts?
I love bread. If I was starving like that, I would probably do the same thing. My favorite parts were probably the bones taking over the human bodies. At least I think those were bones. Maybe they were pieces of wheat?