You have absolutely no clue. I've been one of those support people at a company suffering from a DDoS attack. The combined weight of being nearly powerless mixed with the expectations from management is crushing. The long, long hours sat there firefighting and working with upstream suppliers.
It doesn't matter that it's videogames, it could be anything else, it's a group of people preventing thousands to millions of others from using a product that they purchased, for their own personal amusement. You don't think that they deserve a smack in the mouth?
Aren't there counter-hackers trying to stave off Lizard Squad? Perhaps there are ways to support them. Being keyboard tough guys yelling into the air seems counterproductive.