well then, this should catch up with them too.
i'm not recommending anyone doing this but you could report them if you wanted to stop them from doing this.
The point being that they are actually being run by a far more powerful entity, one that is capable of breaking these sorts of rules with no repercussions. They may have not started off that way but let's face it, that area of the world is filled with corruption and who wouldn't want to get their paws all over the most powerful global currency ever invented? Normal miner incentives don't affect these sorts of players the same way.