Earlier quoted context omitted.
If you've got enough displays, cable length can become a factor! This is much easier to solve if you've got your PC on your desk, and it's much easier to fit your PC on your desk if it's smaller rather than larger.
I use 20m active DisplayPort cables to have my workstation rack-mounted in the basement. I love it.
A whole team's worth of blazing workstations on half a rack in a cabinet out of the way. Sounds like heaven.