Anon demanded the release of their prisoner, and they did it. I would disagree in saying that, I believe, the Cartel in fact is quite intimidated by Anonymous. Not knowing the identities of any of them, and knowing that anon has personal information on each member of Zeta (names, addresses, families, ect).. And Anon did a pretty good job of making it clear that they were willing to go for blood in this specific scenario. When your enemy is invisible, and knows everything about you.. It has a way of taking the fight out of you.