Unless you have been in his position, running a multi-million dollar public company for the first time in your life, you don't know what mistakes you will make.
clark-kent is right. Hindsight is 20/20. I'm sure we all know Tom Brady shouldn't have made that pass that caused the game losing interception, but its hard to say if you were in his shoes at that point, that you would have done it any differently/better.
