Informed consent is important but so is common sense.
Whether you're tossing yourself off a bridge in a wing suit or have decided to have your little ones hurled out a hovering helicopter - you don't need to be a pilot to realise there is danger involved. And danger far beyond the number of engines or indeed OEI performance.
Risk averse types are unlikely to agree to little Johnny being pushed out the door of a helo irrespective of the twerp's name on the TV show.
The repercussions involved with an accident, in the UK anyway, will ensure as much risk has been mitigated as possible.
In reality you have a greater chance of dieing from a bad curry than there being a problem with the aircraft.