It does seem perfectly tribal. Down with the oppressors, join this group with me to protect yourself against the oppressors. Then the groups fight incessantly

It does seem perfectly tribal. Down with the oppressors, join this group with me to protect yourself against the oppressors. Then the groups fight incessantly until one of them eclipses the others and invents nationalism. On the other hand, Anonymous is supposedly structured so that individuals can opt in or out of campaigns without worrying that their efforts will end up supporting actions they disagree with. With most organizations, you have to try to predict whether they will put your time and money to good use before you actually commit your support, and then your efforts are controlled by the leadership until you retract your support. That would make Anonymous an organization that is uniquely driven by the individual choices of its members, which is a very attractive idea. That's the potential, anyway.