Rudest, Dumbest - same thing no?
I once had the misfortune of supporting the library of a medical school, at a time when PCs, email and the internet were all new.
The 2 i/c of the library was known for being the rudest of the staff. She also turned out to be the dumbest.
Example: I got an email one morning, and I kid you not, it simply said "I can't send email. Please fix?"
Rather than visit I rang her, and pointed out that she had just sent email. This she denied. So after a lot of to-and-fro I simply ignored her. Naturally she complained. To the Dean. Who arrived in my office yelling that I should work harder and fix her problem and what did I get paid for anyway.
Upshot: I showed him her email, he called her a very rude name, and he took me for what turned out to be very liquid lunch.