I think the title is more accurate than the first sentence of the article.
"Change" (or more accurately "the failure to change") is responsible for more church splits than Rick Warren.
"Warrenism" -- Unchurching the Churched
I think churches that do well are the ones that offer 2 or more services on Sunday, with one being traditional and one being more contemporary to appeal to younger people.
I see nothing wrong with non-traditional music and more instruments. I'm 41 and enjoy a contemporary service more than the traditional Baptist hymns and sermon.
I also recognize when the word is "watered down" and made politically correct and simply will not attend a church that does that in an attempt not to offend any potential member$.
I think you may wish to look further into the church subversion and power moves of Warrenism.
Small potatoes. You call this "dividing a megachurch"? The author should read history of 1054 and 1517. Now those were megachurches being divided!