C J Campbell wrote:
I am not sure what sort of new
regulation will keep passengers dying of heart attacks; it seems to me
that if someone is so fragile that a crash will cause a heart attack
that it could have happened just about anywhere or anytime.

I don't disagree with most of your comments, but, I must say,
experiencing an aircraft crash, in my mind, would be trauma many orders
of magnitude beyond what normally goes on "anywhere or anytime" in one's
life.