He’s not a hoarder. You can see the floor. He definitely lives like a pig in filth but if he were a hoarder there would be shit piled from floor to ceiling. Usually there’s a path through the home around all of the stacked garbage. I’ve been wrong before and will be again but I don’t think he was a hoarder in the sense I’m thinking.
I’ll guess his heart gave out trying to pump blood to and through that body.. just couldn’t keep up with the job.