I just want to add that it is much better to study the warnings in the Bible and sit at the feet of Jesus to learn instead of studying movements. That way when you do run into what we were warned of in the Bible we will be able to recogize it whether it be a movement that has crossed our paths or at some seemingly innocent church.
There is nothing wrong with studying movements if that is what you choose to do with your time as long as you do not neglect the other. You will not learn the truth from studying movements. You will learn the truth from studying the Bible and sitting at the feet of Jesus. So, I do not apologize for not knowing about the movements. My time is very limited so I have to make wise use of it. Studying movements may cause you to not recognize truth that the movement believes in because you see that there are so many lies involved that you just throw out all their beliefs. That would not be good.