There are of course many joys & advantages to be had from looking at the world through a computer screen
But you cant spread your work out, as you can with books, papers, statistical tables across the top of a desk. Nor can you mark the relevant bits by laying the book down flat, festooned with torn off bits of paper or marked with red felt tip, or scribbles of 'Rubbish!'
Finding your way back on the computer, to what you belatedly realise was an interesting or vital page is not easy. Even if you had noted the brain boggling string of symbols which is the url, all too often it comes up Not Found, or has been edited to remove the precise point for which you are searching
At least with a laptop you can look down, you dont get a crick with your necks unaccustomed position while you stare at a vertical screen
But it is still like trying to work with one hand covering one eye, with an empty cardboard tube from a toilet roll clasped to the other, just to restrict the visual field