It happened before dawn this past Saturday, in near zero-visibility conditions, [...] on a “Cat III” approach that allows an airliner to touch down safely even

It happened before dawn this past Saturday, in near zero-visibility conditions, [...] on a “Cat III” approach that allows an airliner to touch down safely even if the pilots cannot see the runway. Seems like this would be a good trigger to switch temporarily to a more pessimistic strategy. (Caveat: I don't know anything about aviation.)