I really do get why people cave dive and do dangerous things. It's a lot of fun. But really, at the end of the day, they did this because it was a rush. There's no other rational reason to do something to risk your life doing someone your friends just died doing for no other reason than it was exciting.
lol, go ahead and downvote. I do a lot of adrenaline rush type activities, but I've never tried to pretend it was anything other than just dumb, life risking adrenaline pumping distraction from life.