Hell yes. They set up a contest and failed to provide minimal safeguards, laughed off the threat to life, and even told these contestants a bunch of BS about how if they did drink too much, their body would just throw it up and then all would be fine. You're not talking about personal responsibility. You're talking about giving people a free pass for negligence and an indifference to other people's safety that borders on criminal.
I disagree. If a 28 year old is drinking so much water, they feel sick and then KEEP on going, then I say its their own damn fault.
28 years old is an adult.