“The problem with “just sat there and died of hypothermia” is it doesn’t result in a body covered with bruises.”
Stumbling around in the woods after your coordination goes does.
He could have been lost, or had a stroke. Both would have resulted in sitting down and succumbing to hypothermia.
Good point about the bruises. The article I read didn’t say where the bruises were primarily on his body, but someone who signed off on the death certificate was concerned enough to state thereon that the cause of death was undetermined.