Not if you code a lot. It is not rare for developer to use vertical screen. https://img.devrant.com/devrant/rant/r_200135_Q9Fh4.jpg
Meanwhile on the screenshot in the comment I responded to, the vertical monitor is shown only to display a long script or program of sorts, nothing else. I googled for the images of "vertical monitor programming", and the same is true for virtually every picture of such setup. I feel it's not a coincidence