I think you need to be more specific with the query. If I’m the only passenger plus crew, yes. If the plane is full of people going to a place to help out, no. If this flight could be done by train without multiplying door-to-door travel time more than 2.5 times, yes. If my blood type or bone marrow was so rare I could save a life, I think I’d be okay again even if I was a lone passenger. There is plenty of gray here to consider.