In a way its a commission for all the billions he has made for media over 8 years CNN, MSNBC, NYT, CBS, NBC, ABC,
He does not have a billion yet. The poker chips are still on the table. You don’t count your money while you are still sitting at the table. its a thin market and for him to unload and collect 1 billion will require enough people on the other side willing to take on a long position at the price he needs.
he created the value with zero capital. In most scenarios he’s a winner. Only the degree is up in the air