Marchionne has a clear vision of what F1 should represent for Ferrari, which is a purist sport that isn't a shopping channel. I would strongly encourage the sport's stakeholders not to provoke him.
Sometimes you are lucky, sometimes you're unlucky. It all weighs out at the end. That is my experience at least.
By admitting a mistake, it is easier to get yourself out of a spiral.
This is motor racing. We go at very high speeds, and tires have always been deflating or exploding. It is just part of the sport.
Don't mess with Sergio Marchionne.
A restructuring of an organisation is always a difficult time and delicate.