Lets be honest here, With the current drop rate system in place only those who already had influence are effectively getting drops. (Reason) Those who had influence are mostly those who use to farm, so those farmers were getting most of the unique (purple) recipes when they came out. so most of them had powerful buillt toons when the pvp recipes came out. So who do you think was getting most of the kills and therefor the pvp recipes? The farmers! So then you cut down the drop rate. But by the time you do that the farmers have already accumulated pvp and purple recipes in essence making their toons even that much more powerful. So who do you think is still getting the majority of the kills in pvp? The farmers! you have secured them as farmers in your attempt to stop them. Now players who don't have the influence to purchase purples or pvp recipes are only targets for the farmers to get more pvp recipes. I have ways of fixing this, unlike the suggestions here but I don't would be interested in hearing them because you seem to think that the system you have in place is doing it's job. WTF!
