The era of selling virtual gold for real life cash is probably no where near ending, but blizzard is attempting to stop it or at least temporarily halt it until people find another work around.
Blizzard recently decided to focus on the services the sellers use to transfer gold, rather than the sellers themselves. The developer has succeeded in getting Paypal to send out notices to all of the major gold sellers. The notice basically warns them that if they don’t stop selling World of Warcraft’s virtual money for real money their accounts would be permanently suspended.
While this may temporarily halt the selling of gold, it probably isn’t going to last long. Gold sellers always find a way, because money is the all powerful entity. As long as there are people willing to pay for it, there will be people willing to sell it. We’ll just have to wait and see.
If you really need money that badly, you can do what I do: Make pouches and sell them for major profit!