none forces you to be here, neither reading anything what is here. It is not blizzard official website, it is fan site. There is plenty of them around, just mmo-c is most famous one, that summarize information and content and show it to their readers.
Don't like spoilers, don't come here? It's like being a fan of Marvel universe, and going to Marvel fan meetings, where they are discussing most recent movie, and be mad on them for spoilers. Like what