The stove WAS NOT FOUND DISMANTLED AND IN IT'S CASE. This is FALSE INFORMATION. The stove was the cause of the whole "mystery".
Simple common sense. They would have HAD TO USE THE STOVE FOR HEAT. Of course childish conspiracy theorists here won't accept this simple fact. The exhaust stack is plainly visible in the photograph. The smoke backed up into the tent and caused the group to awake in a panic.