By that reasoning, if a file containing bank passwords leaks, its value is "zero" despite the fact that somebody can now go in and steal from all those accounts

By that reasoning, if a file containing bank passwords leaks, its value is "zero" despite the fact that somebody can now go in and steal from all those accounts with ease. Experian has created a massive liability for all the individuals in the leaked data pool. The amount of damage this leak does to innocent people is staggering.