Unless you're from a very poor country there is no excuse for not having a working keyboard.
I don't know if that was part of the test, but if it was, it's worse than the big blue chip corps asking about the number of piano tuners. Which actually can be valuable at understanding how one reasons about unknown problems/areas.
About the server being slow, well I don't know the magnitude of the slowness or the anger, but unless you're a ramen fueled startup there is no excuse for having slow machines. It's management failure. It's a waste of developer time. Instead of coding the dev is having to deal with stress inducing constant 5 second hiccups or similar things.
Put yourself in the interviewee's shoes. Do you really want to work in a company that can't conduct a proper interview and has broken/slow hardware?
And yes, I do use vim and I do like w very much.