This is the fault of the higher level executives. Clearly there was no oversight, no ability to discern what's going on their teams. And it's actually ok that

This is the fault of the higher level executives. Clearly there was no oversight, no ability to discern what's going on their teams. And it's actually ok that there was much more spent than they planned for on something, this is the nature of development, even that there were competing ideas, even groups ... this is normal. But that there was no accountability for obviously bad actions - not good.