I can think of a few reasons why it might be like that: to lead the reader into the article; to provide context of a library; to fit with the visual flow. Easy

I can think of a few reasons why it might be like that: to lead the reader into the article; to provide context of a library; to fit with the visual flow. Easy to criticise (especially on the grounds of efficiency) more interesting to critique... which is why many of these books are worth reading. Every wonder why the design of everyday computers are designed to keep us so stationary?