The question isn't "is it permanent" it's "what are the chances it's permanent". I can imagine that if they come to the conclusion that there's even a 10% chanc

The question isn't "is it permanent" it's "what are the chances it's permanent". I can imagine that if they come to the conclusion that there's even a 10% chance then it makes sense to invest resources as if it will happen because they can always just lay people off, but it's much harder to catch up.