look, if you want to stay submerged in ice, water, granite, concrete, tree bark or chicken poop for days at a time and suffer skin lesions, kidney failure, joint ailments etc etc while holding your breath for 9 + minutes go for it.
but I'm not going to watch it, nor pay anything to see it
Why ? people do dumb stuff all the time,
www.wimp.com and I can get my giggles watching them there free