I appreciate your point about nothing ever being "100% due to human error", especially in regards to air travel. I recently read "The Design of Everyday Things"

I appreciate your point about nothing ever being "100% due to human error", especially in regards to air travel. I recently read "The Design of Everyday Things", a book that devotes a lot of its time to discussing this same principle. We should blame the UX wherever possible before assigning any blame to the individual.