Unfortunate? Yes. Do I feel bad for Pfizer? No. For their employees? Yes.
Should a company with as much capital have redundancy in their manufacturing facilities to the point that “shortages” are nearly unthinkable? Absolutely.
Destruction such as this will never again be uncommon.
This as a sneak preview not many years into the future, when there'll be no workable supply chains at all, as climate change wreaks hellish havoc everywhere, consistently.