those fee's are not really from that many independent individuals . they are the same groups as the mining pool managers. basically making high fee's to pay themselves back.. thus not much loss is incurred when producing high fee transactions becasue they are the sender and receiver of fee's
The idea is interesting, but I do not quite understand the logic. Even if some dishonest mining pool manager artificially inflates the price of transactions, he has no guarantees that it is his pool that will catch the next block, which means there is a fairly high probability that his overpriced commission will go to another pool and he will simply lose his money. Or am I not understanding something?