You can't win them all. In another interview the same behaviour the author exhibited in the article could be seen in a positive light "he always sees the big pi

You can't win them all. In another interview the same behaviour the author exhibited in the article could be seen in a positive light "he always sees the big picture not the specific tools, which implies deeper knowledge" If the interview answer is going off track, it's the interviewers prerogative to ask for more specifics and clarification, if that's what they want to learn about the candidate I think you have to be very aware as both an interviewer and interviewee of assumptions you're making about a person and dig deeper to ensure you are right