They sell zillions of copies and make zillions of dollars - while this may be true for some games such as GTA3, which admittedly did sell a heck of a lot copies (money also made to Take 2 through an exclusive PS2 deal), it is simply not true for smaller developers, who struggle sometimes to even sell 100,000 copies of a game - imagine if those 100,000 legitimate copies sold were only 100,000 of 40