If you get a load from another source you are still signed on with FedEx/Panther, you just booked your own load which is why you get 85%. The contract you will sign with the major companies will be exclusive use.
I think one of the biggest reasons there are so many dopes spouting conspiracy theories is that it gives them a feeling of superiority because they think they are smarter for having figured out the government's evil plans.
I don't believe that excuse unless when he said it was a few he meant a few thousand. If it were just a few that didn't get their rebates it would be a civil issue involving small claims court, not an FBI raid.