WGT has become one big advertising mogul. This is where a majority of their revenue comes from.
During the last MisterWGT chat, Chad talked about multiple departments that exist within the ranks of WGT. Its the efficiency of these departments that have become the main focus to the upper WGT staff. The departments that control the playability of the game seem to be less recognized than the departments that control the advertising which is the main catalyst for WGT. JMO.