"Classic is definitely releasing new content quicker than the first game," Zierhut said, "On the other hand, we'd like to make content available this speed WOTLK Classic Gold. It was just not possible." In a lot way, it's the release schedule Classic is able to keep is closer to what World of Warcraft would have requested.
The result is that the players become bored because there isn't enough content to discover. In the meantime, with its current rate, Classic will eventually catch up to retail, or at a minimum, get expansions with less nostalgia surrounded them.
Ultimately, World of Warcraft Classic is a product of fans, and according to Zierhut, fans will decide its future. "This whole project has been community-driven-this whole project came to being because the community demanded it," he explained, "So what does the community want to see next?"
"Do they want for them to travel to Cataclysm? Do they want to go to Pandaria? Are there any features from the future expansions they'd like be brought back? Are there any features they would will never see in the game in any way? We have our own opinions however, the views of the players will aid us in making better decisions."
Wrath of the Lich King Classic is only coming due to a demand for it; had players not expressed interest, it may not exist in the first place. Though there was little question Wrath of the Lich King Classic was a cult expansion, the ones that were following it, such as Cataclysm and Warlords of Draenor, had less-positive reviews. According to what Birmingham and Zierhut said cheap WOTLK Classic Gold, World of Warcraft would think about removing certain expansions if there was no need for an Classic version of it.