I sure wish people would make up their frickin' minds. LOL!
Here is an article, also from the UK, that says cloth are really no better than disposables!
http://www.thisislondon.co.uk/news/article-23402726-details/The+great+re...
(sorry, can't remember how to do that html thing with the links and too lazy to find the book in the other room and look it up! LOL!)

Actually, the article I'm referring to was written a couple of months ago as opposed to last year. So I'm assuming the Nappy Campaign that it is referring to is the one your article is talking about. So, I guess to answer your question, it wasn't successful.