A new job every six months was not the pattern ten years ago. Also, back then you would have been asked why manhole covers are round instead of write a bug free

A new job every six months was not the pattern ten years ago. Also, back then you would have been asked why manhole covers are round instead of write a bug free implementation of A* on a whiteboard. Neither of those are timeless bits of knowledge that one acquires on any job, other than maybe job interview coach.