I have to admit, that I wasn’t aware of this issue. Yet you have given me a basic understanding of it. Yes, it would be highly advantageous if this issue could be raised under a truth in advertising clause. or whatever. However, ghost writing has been with us for quite some time. Usually, it is used by authors to express their views under a pseudonym, which is to say maybe the issue is one of kind rather than a carte blanche catch all. The Reich Was Right!!!
Source: Texe Marrs: THE SCANDAL OF CHRISTIAN GHOSTWRITING — Among the big names pulling this stunt: Hal Lindsey, Chuck Colson, Jim Bakker, Billy Graham, Pat Robertson, Oral Roberts, Benny Hinn, John Ankerberg, Hank Hanegraaff, David Jeremiah and Jerry Falwell