Although I certainly believe Joyce Meyers can be a preacher/teacher, as I have repeatedly shown from Scripture, I think there are some VERY important points in these articles.
First, her soteriology is wrong. We are not saved because Jesus paid for our sins in hell. The Bible is so clear that Jesus paid for our sins on the cross. That is the atonement. In fact, a good case can be made, espeically in Greek, that Jesus did NOT go to hell at all. That is a Word Faith fiction.
So, that affects Christiology, again a core doctrine.
So, she gets wrong "how" we are saved, and "who" Jesus is! That is the definition of heresy.
Finally, I firmly believe that Word Faith itself is heretical, and she is a Word Faith teacher. In that regard, she is no different than men teachers like Hagen, Copeland, Hinny, or the hypergrace offshoot - Joseph Prince. There is no free pass for men to be heretics, either.
In fact, I read quite a bit about her. Some of her wrong doctrines were laid out in her books back in the 1990's. I read a book where an individual wrote a book on various people propagating Word Faith heresies, asking her if she had changed her views on the atonement. In fact, he wrote her repeatedly, he was a big name, told her he was going to write a book, and wanted current information. He also contacted her office. He never got a reply, one way or the other. So, he included her heresies in his book.
In the end, to me, when your foundational doctrines of faith are wrong, you are leading people astray. She may have a great testimony. She may have helped a lot of people. I think that is undeniable, from this thread. BUT, she is unrepentant in her false doctrines, and is leading people astray.
That is why I would avoid Joyce Meyers at all cost.