People can say what they want about the old man but my guess is that hes a pretty shrewd character. I would guess that he has been transfering ownership through trusts and other means to his children for years if not decades. After the debacle with Stormy you can bet he has protected his interests and more importantly for him his legacy.
The top estate tax rate is around 45%. Just on the value of the football team the tax would be over $200 million.
So I would guess the B's have some top estate planners working with them. Well, on second thought, given the way they run the football team......