Of course Whitlock is right - look at the damn TV deal. And there's a literal cap on the amount of league revenue that can be spent on players. Then there's a massive revenue sharing system in place.
It is impossible to lose money as an NFL owner unless you paid so much for the franchise that the debt service is overwhelming.
Clark is a silver spooner; he's never paid a dime for this team. He could lose every game for the next 5 years and he's still make money.
If you can't draw a crowd, draw dicks on the wall.