Because only a fool would put their website on the same server as their games.

Your analogy is wholly and utterly flawed. The website still works because the hack is not aimed at the website; it is aimed at the game servers. Blizzard utilizes social media and forums separate from the games to keep its playerbase informed as to various reasons for downtime or lag.

Now, if your analogy said “Hey,…

Wow. It’s almost like you don’t even understand how servers work