He is a Billionare and this is his hobby. He makes money even if the seats are empty, BUT he knows fans will flock to the stands even of this team is 2-15. So why would he be motivated to do anything?
If Josh left tomorrow he is still everything listed above, and he will still make money, and fans will still flock to the stadium.
They aren't winning the superbowl. I get fans won't accept it, but I still doubt we make the playoffs. IF we do, its 1 and done.