WGT have all their bases covered.!!
There is only one time they will sit up and take notice of anything, and that is when the cash register stops going "KERCHING"
Below is an exert from their terms and conditions.
You acknowledge and agree that that in the course of providing this dynamic environment, WGT will, without providing notice, be making ongoing modifications and improvements to the Game Software from time to time in the course of the operation and development of the Site. Such changes may affect the performance and interaction of individual components of the games, performance of virtual items, contests and challenges available on the Site.
In addition, you agree that WGT retains the sole and unfettered right to change, remove or modify the available virtual items from time to time (which may among other things make one or more virtual items more or less effective or functional, more common or less common, or eliminated entirely). You may not use, distribute, develop, promote or facilitate use of cheats, automation software (bots), hacks, mods or any other unauthorized third-party software designed to modify the WGT game experience to the detriment of fair play.
YOU HEREBY AGREE THAT YOU WILL NEVER ASSERT OR BRING ANY CLAIM AGAINST WGT OR ANY OF ITS EMPLOYEES WHICH IS RELATED TO OR BASED ON A CLAIM THAT YOU OWN OR ARE DUE VALUE FOR ANY VIRTUAL ITEM, INCLUDING WITHOUT LIMITATION RELATING TO THE MODIFICATION OR DELETION OF ONE OR MORE VIRTUAL ITEMS.