If you actually watched MacArthur, you might see where he answers all arguments with in context scripture, that holds that you do yourself no harm to test spirits/persons who would lead you wrong. The last 2 episodes are an appeal to charismatics and his correction is out of love for God and humanity. I watched hours of video of those he opposes and as far as I can see, he is right.
Where do you want to start? I would start with the scripture I quoted above...and have many more to draw from to make the point upon the work and Power Of God's Spirit.