Dude, your girlfriend may have been too immature at that point to realize what the right answers to Unicru were, but it's really obvious what the interviewer wants to hear after getting some life experience with assholes: bend over, don't complain, smile, etc...
I never got such a test, but if I did, I would try really hard to score 0% just because fuck you. Funny thing is that the capable guy being exemplified in this article probably did just that, after all, if you answer randomly the score will be higher than 1%.
I think if you haven't worked in a 'real' professional job for several years (your first job) then it can be harder to understand the psychology behind the test implicitly. Or if you just worked in small businesses with very low amounts of politics.
I never got such a test, but if I did, I would try really hard to score 0% just because fuck you. Funny thing is that the capable guy being exemplified in this article probably did just that, after all, if you answer randomly the score will be higher than 1%.