There are 2 definitions of the word cult.
#1 and the most popular usage: http://en.wikipedia.org/wiki/Cult
#2 http://en.wikipedia.org/wiki/Cult_%28religion%29
The RC church is NOT a cult in the first sense. Using the "cult" word usually implies the first meaning making the reader balk at the statement "Cults are ordinary religions such as the Roman Catholic Church". If Morganite knew full well he was using the second lesser known usage then he goading the readers into an unnecessary discussion. But we have all seen what happens when we attempt to disagree with Morganite.