He told me that a Portuguese tv station is deteriorating and the fumes it gives off spreads the process to the other film stock and even if they had all the 35mm film digitisers in the world running 24/7 they would still lose a significant portion so they are having to make some tough decisions about what to save.
Film stock does not last forever either, it degrades with time. New film stock, according to Wikipedia, can last "hundreds of years" however. http://en.wikipedia.org/wiki/Film_stock#Deterioration
Interesting article, but more interesting is his usage of the trademark symbol. 28 times within 175 words. Calm down buddy.