So I'll assume, since you think that "I can google this" is a cop-out, that you never hit up Google in real life to look up some obscure technical point about a

So I'll assume, since you think that "I can google this" is a cop-out, that you never hit up Google in real life to look up some obscure technical point about a function that you need to call once every couple months in your coding? You know every interface and implementation detail for every standard library call in your language of choice? I call shenanigans. In our profession trivia is useful and even extremely important to be able to keep in your head; however, it's all but useless as an interview filter unless it's highly targeted to a topic that the job description requires expert knowledge of.