If there were any single good reason to stop playing World of Warcraft, it would be because of its horrific travel system.
"Don't get me wrong, travel in WoW doesn't compare to how intimidating getting around can be in Vanguard: Saga of Heroes, but it can sometimes seem pretty close.
Yes, the game has teleporters that link some cities together and it works fairly well when combined with the mass transit system, where players pay a fee to ride a flying creature across great distances. However, the major drawback of public transportation comes from the fact that players first need to have visited a city or outpost and activated the local Flight Master in order to fly there. So, for the most part, players must hoof it."