This sounds more like someone who just wants to blame a series of poor management decisions on those damn unions. It's management's responsibility to make sure

This sounds more like someone who just wants to blame a series of poor management decisions on those damn unions. It's management's responsibility to make sure they have the right people on hand when they roll out an update to a major system. It's also their responsibility to come out of union negotiations with the right contracts, which would have at the very least included some sort of force majeure clause to account for technical disasters.