If the system design interview is designed in a sane manner, which most of them are, thankfully for now. Unfortunately, some interviewers ask questions that th

If the system design interview is designed in a sane manner, which most of them are, thankfully for now. Unfortunately, some interviewers ask questions that they themselves have not thought through properly, which leads to "interesting" discussions followed by a disqualification. While I've not had to face that issue first-hand as an interviewee, I've seen interviewers who wouldn't have been able to pass their own interview, for example.