These Chinese hackers don't run their own web sites, if US hackers fight back, the victims are those Chinese business sites, not the hackers themselves. Further, hackers may provide technical service for these hacked sites with a big price, maybe this is what they're expecting... Forget their "patriotism" excuses.
BTW, FBI is arresting some US hackers in order to stop the fight on Internet.
If someone think that the hacking is kind of patriotism, he's too naive.