As with any career or profession, the techniques and methodologies used may differ between individuals. Interviewers will ask you questions similar to this one to learn more about your expertise and how you go about doing your job. They also are interested in your opinion on certain topics, some of which may be controversial. When you answer this type of question, it is best to give them your honest opinion. Trying to please the interviewer may work during the interview, but it may cause issues once you are hired.