It's a little more complicated than that. Maybe they're a Windows user and your machine is OSX, or vice versa. Maybe your keybindings are different than what th

It's a little more complicated than that. Maybe they're a Windows user and your machine is OSX, or vice versa. Maybe your keybindings are different than what they use. In my normal workday you're right, that wouldn't be a big deal. But in the high pressure situation of a timed interview environment it can freak people out. We tell candidates that we'll provide a laptop for them if they don't have one but also tell them to feel free to bring in their own. Also to turn your statement around a bit, perhaps one could claim that your need to have a big monitor (or two) is your own security blanket, and that you should be able to work without one. In my office some people have oodles of monitors. Some people just use their laptops. Some are a bit of both. Everyone has their preferences.