When ia first read the artical I was shocked that they started this endevor, there was no account for there equipment, but shorts with gators. They were very lucky to have happened upon the 4 helpful people that called 911.
There cotton clothing was doing them no favors..
Cave rescue is a very technical thing if the person being rescued is not able to help them selves. The fact that they could re-heat the boththers was a stroke of luck, and great planning on the rescuers part.
Being a prepaired hiker sometimes make you the "first responder" and that group of friends did a great job.
The diabetic brother should have been better prepaired. being 400 pounds and type 2 diabetic shoujld have caused him to re-think things and consider what he would need more carefuly.