We are not talking about unavoidable, acceptable risk you describe so well. We are talking about avoidable, unacceptable risk taking.
We are talking apples and oranges.
What's the mortality rate, per mile, flown by NASA?
What's the mortality rate for astronauts as a percentage of the total astronaut corp versus the general public (consider only accidental deaths for this exercise)?
What's the mortality rate for NASCAR drivers?