The Crunchpad was merely an extension of the ideas from the iPhone/iPod Touch, I think a lot of people could see there was a market for a big iPod Touch. Mostly the competition didn't have an OS ready and Apple was late to the market due to focusing on the iPhone.
And the iPhone/iPod was just an improvement over Windows/Palm phones. I guess the article is echoing the sentiment that these "innovations" aren't worthy of a patent.