Do your best to avoid people who police Youtube videos in order to correct what they perceive as wrong teaching. This usually comes from people who are angry and hurt. These people are not ready to receive the truth and so they're difficult to reach. The bible tells us to avoid a divisive person.
Now I beg you, brothers, look out for those who are causing the divisions and occasions of stumbling, contrary to the doctrine which you learned, and turn away from them.