The amount of pads can be excessive, but let's not forget that in the present day many of us might regularly be on a phone, tablet, and laptop all at the same time. Then, on top of that, someone next to us might hand us their mobile device because they want us to look at something.
That's 4 devices being used at the same time by a computer literate person in the 21st century.
If I had a big desk and an unlimited supply of iPads I might open thing on each as well!