Bob Arum doesn't want Pacquiao-Mayweather to happen...True or False?

According to most boxing fans, he's greedy and is only concerned about the money. These same fans say he's protecting Pacquiao. If he really is money hungry, don't you think Pacquiao would be expendable for him and win or lose, Bob Arum earns the most money from the most lucrative fight of this generation?