They started out with that, but I can't think of any other reason they changed it to the current model, except greed. And AFAIK this is only how it is in some U

They started out with that, but I can't think of any other reason they changed it to the current model, except greed. And AFAIK this is only how it is in some US cities, like cities in California. In Europe they still operate at a standard of 25% cut.