One of the operator pulpits at my work can be run by one pulpit operator, but commonly has multiple people in it - someone is almost always being trained, floor operators hang out on break or when maintenance has to take the machine for a while, lead operators and supervisors and quality personnel stop in to monitor. They have I think five computers, all with their own keyboard and mouse. The operator mainly interacts with just one, and the others are set up for reference spread all around the edges of this room that comfortably holds five people. It works pretty well because the auxiliary people can look stuff up on the reference computers without having to take away keyboard or mouse control from the operator, and with how physically distant some of the machines are from each other, a switched keyboard would have to get carried around the room which would be annoying.