sorry for double posting, but I guess/hope I'm not the only one who doesn't have access to the mentalist area, so I'm hoping it's OK that it's here as well.
It should be. It's not exposing cold reading as an act of magic. It's exposing frauds. If Derren himself is prepare to talk about it, it should be fine!
"I want to do magic...but I don't want to be referred to as a magician." - A layman chatting to me about magic.