When World of Warcraft initially launched way back in 2004, it brought in a huge number of players and quickly grew to have tens of wow classic gold thousands of subscribers worldwide. Aside from the sheer scale of the match, a massive force behind the success of this MMO was that the world in which it had been set.
Azeroth has existed since the original Warcraft: Orcs and Humans launched in 1994 and the following Warcraft 2 games further assembled on the narrative and lore. Warcraft 3 was probably the most popular of those early games and introduced us to a number of the characters that go on to play large roles in World of Warcraft, such as Sylvanas Windrunner, Jaina Proudmore, along Arthas Menethil, among others.
So when World of Warcraft launched in 2004, each the lore, history, and locations that were laid out from the earlier Warcraft games were attracted to live in Blizzard's vast MMO.
If you've just got a few hours a week to buy wow gold classic dedicate to an MMO, Classic may not be the game for you and you might be better off considering modern Warcraft to fill this Azeroth-shaped hole. That being said, if you're not especially concerned with endgame content such as raiding or max-level dungeons and only want to explore Azeroth because it had been in 2006 then, by all means, continue. But if you would like to enjoy everything that Classic has to offer, then you need to be prepared to spend a great deal of time not just leveling your personality however completing various Attunement quests and grinding standing to get some of those late-game instances.