The Dead Zone (or, BP and the Oil Well That Keeps on Giving)

[Ser Clegane]

500k USD on the stockmarket is HUGE

You are kidding - right? Please feel free to alsó provide the airline example you mention - perhaps with real numbers instead of a mathematical example.

I stick with the poor risk assessment - be it the lack of (relatively cheap) equipment or the inability/unwillingness to enforce proper safety procedures (see Xiahou's post)