The "no one is allowed to judge me" argument typically comes from the non-Christian crowd. Any who have spent much time in the Bible realize the Christian is supposed to judge others based on what they are teaching and the type of fruit they have on their lives. Those in the ministry are judged in additional ways as well. One could not differentiate between the false prophet and true if they did not judge.
Matthew 7:15-20 ESV
“Beware of false prophets, who come to you in sheep's clothing but inwardly are ravenous wolves. You will recognize them by their fruits. Are grapes gathered from thornbushes, or figs from thistles? So, every healthy tree bears good fruit, but the diseased tree bears bad fruit. A healthy tree cannot bear bad fruit, nor can a diseased tree bear good fruit. Every tree that does not bear good fruit is cut down and thrown into the fire. ...