Warcraft, in short, has put a large enough mark on our culture that it would be considered pop culture. Just like people know and recognize Indiana Jones, Paris Hilton and Horatio Caine in the game, people outside of the game know and recognize
it.
World of Warcraft has been featured in music videos, movies and television shows. If you tell someone that you're playing an online game, they'll likely think you're playing World of Warcraft.
Starcraft is pop culture in Korea. They're crazy about that game over there.
I agree that this game isn't a sitcom, but I disagree that it's a serious game. Yes, the story is somewhat serious, but Blizzard's games have always had an underlying layer of humor. Even Diablo, which was a more gritty and seriousâ„¢ game, has that humor in it.
There is no cow level, for instance.
Here's a cutscene from the first Starcraft game. The story itself is serious, but the cutscenes range from the ridiculous to the funny. Sometimes a bit of both.
Here's the end credits for Warcraft 3, featuring a rock concert by Arthas himself.
You might not think Blizzard's games are sitcoms, but Blizzard doesn't care.