If you assume the goal of an interview is to hire "good" people then you're right. If you assume the goal of an interview is to not hire "bad" people, then I t

If you assume the goal of an interview is to hire "good" people then you're right. If you assume the goal of an interview is to not hire "bad" people, then I think you're wrong. I think in practice it's almost impossible to determine if someone is a "good" hire based solely on an interview (regardless of technique). It is possible to determine is someone is a "bad" hire based on an interview however.