If you wanna get deep inside the culture of World of Warcraft this is a crazy detailed video on it. This is from a paper they cite for example.
“Play from a theorycrafting perspective is about the correct input and output of numbers, challenging the narrative of play as something free and frivolous. Seeking to understand how play and knowledge relate to each other, the article discusses how theorycrafting’s seemingly abstract, objective, and neutral information about the game is also embedded with values, ideas, and norms.”