I'm an ex serviceman who, during his service was well used to sanctioning risk for others as well as for myself. I'd rather you didn't tell me that beyond a certain point military risk is different to civilian risk. Neither is under duress. Both fulfil a need for the person to test him or herself.
If we do not constantly push the boundaries, we lose the ability to measure and assess risk and consequently and understandably become more likely to become an unwelcome statistic.