The pathetic shell that we call the Church today doesn't know the Bible well enough to recognize heresy. The leaders certainly don't bring it up because they are usually the guiltiest. It's a cafeteria Christianity today, where everyone picks out the comfy parts of the faith and ignores its demands. Jesus was just a kill-joy when He spoke of "taking up the cross" and following Him. We'd rather go church shopping to find one that entertains us and doesn't ask anything of us but our money.
Or maybe they are finally coming to understand that there is more than one way, that the path of God is not exclusive.