That will be their eventual downfall, unfortunately. Life is not a comic book; FBI and friends can withstand humiliation after humiliation, they'll still have their guns, dogs and PATRIOT acts to come after you.
Strategically speaking, it would have been much better to just keep listening. Now involved parties will do their best to lock down, and it will be harder for Anons to eavesdrop... but hey, we got some LULz, right?