Every time that an individual espousing the "anonymous" cause hears the Group anonymous referred to as having leadership or goals.

These are anonymous individuals, not members of, Anonymous, some nefarious multinational terrorist organization.

Asking if they use the power responsibly is like asking if a senator in a back room deal is doing so. Both are individuals but one is in a group of Anonymous and the other Senators.

Using the same paradigm I would start referring to this horrible group called the "Senators" confusing and controlling the public opinion until anyone who wanted to run for office is instantly vilified.

If the members of lulzsec formed a cult of personality and got thousands of others to lend them computer resources, that's not Anonymous and probably not anonymous either.

The reality of the situation is that they are people posting in forums using the user name "anonymous", no way to tell how many people they are or who they are therefore they can spout things like "we are legion" and "we never forget" in a meta-conceptual way they are right.