They should have seen it coming. They should have made provisions. After all, handling risk is what they do for a living. Instead, health insurers posted their premiums for 2017 expecting the federal government to continue subsidizing them. Now, the hand-out is gone and they are on the hook for billions in losses this year.
The real scandal is the state insurance regulators who watched the companies they oversee hang themselves out to dry and never tried to stop them from doing it.