What I don't understand is why a drop-in CEO decides to go to bat so relentlessly for a system that they didn't select and a vendor they have no prior connectio

What I don't understand is why a drop-in CEO decides to go to bat so relentlessly for a system that they didn't select and a vendor they have no prior connection to. It's the sort of thing you'd expect from the chairman of a 15 generation family company, not some walk-in recruitee.