As an interviewer, I take these as an opportunity to really drill down into their experience. If they actually did the thing they are taking credit for, they wi

As an interviewer, I take these as an opportunity to really drill down into their experience. If they actually did the thing they are taking credit for, they will be able to talk about it in great detail. For more advanced candidates, it also provides a springboard to assess their ability to identify tradeoffs (Why didn’t you do it this way? If you had to do it again would you change anything?) But it does require more effort for the interviewer. Surprisingly, many candidates are blindsided by the (well-advertised) behavioral questions which I don’t understand. Or they fail to contextualize anything.