It doesn’t matter. They were defrauded.
And criminal negligence voids any waiver.
I doubt if this company had any liability insurance ( I cannot think of any insurance company that would have written a policy for this company) so suing it will only cost the plaintiffs money. They will never see a dime. But their attorneys will gladly take their money.
And criminal negligence voids any waiver.
So you are saying, that 2 billionaires, who didn't look into their dangerous journey indepently, are totally innocent?
They knew they were going on a dangerous journey, and signed the waiver.