I work in the publishing industry, where most people have a very personal and nostalgic connection to paper-based books. We value the organic and intimate feel of the paper … the thousands of years of history of the paper book format … how much better a "real" book feels than an electronic book.
This mindset isn't limited to literary/publishing types. I know an IT director who sits in front of a computer for 12 hours a day who says he'll never prefer e-books.
Remember what the first personal computer looked like?
Remember what the first video game looked like?
Remember what the first cell phone looked like?
Remember what the first iPod looked like?
And here's what an early e-reading device looks like:
We're witnessing the earliest stages of digital books. It's not going to stay like this for long. I promise something will come along that will make you set aside your nostalgia for the paper book.
[Argument variation: When does an e-book stop delivering a "book" experience?This article in ShelfAwareness argues that digital presentation alters our experience of a story, though I don't think it alters it in a *meaningful* way unless we're talking about interactivity, social media integration, and other interruptions/dynamics that stop us from reading the text in an isolated, focused way.]