No matter what measures are put in place to stop them and what changes are made to the game and servers they will find ways around it. They know a lot about how these games work and how to exploit them there are whole communities online built around creating bot programs and hacks for games or finding exploits to use. It's like any criminals online using trojans,viruses and other rogue software to extort money each time they are stopped it doesn't take them long to find new ways to do the same thing.