There is an interesting article on the news. The government things that the backlog has been reduced due to increased fees. what do people think about it? I think it would have certainly made it difficult for some people but I can't imagine the huge drop in backlog due to fees alone. below is a link from the article.
https://www.thestar.com/news/immigration/2016/10/12/citizenship-applications-plummet-as-fees-soar.html
https://www.thestar.com/news/immigration/2016/10/12/citizenship-applications-plummet-as-fees-soar.html