Unfortunately, some places' idea of having this problem "worked out" is to react by making the SPOF's life miserable with punishment or firing. And the bus sce

Unfortunately, some places' idea of having this problem "worked out" is to react by making the SPOF's life miserable with punishment or firing. And the bus scenario is "covered" by having the scapegoat be dead. Not a good strategy for the business, of course, but it's definitely the reality at some places. Actually having the SPOF scenarios prevented would be a much more mature approach.