Zeke,
You confine yourself to generalities with no link to specific facts. You do not bring any serious answers to pointed out realities and to commonsense questions which have been asked.
The 320 have flown for 18 years? OK, Zeke.
During more than 50 years, asbestos was considered an ideal building material. It was an excellent fire retardant, had high electrical resistivity and was inexpensive and easy to use.
And now ? Worldwide, 60 countries have banned the use of asbestos, in whole or in part.
It was not a Christmas tale.